python-netfilterqueue/netfilterqueue.c

/* Generated by Cython 0.24 */

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#define __PYX_HAVE__netfilterqueue
#define __PYX_HAVE_API__netfilterqueue
#include "sys/types.h"
#include <errno.h>
#include "netinet/ip.h"
#include "sys/time.h"
#include "netinet/in.h"
#include "libnfnetlink/linux_nfnetlink.h"
#include "libnfnetlink/libnfnetlink.h"
#include "libnetfilter_queue/linux_nfnetlink_queue.h"
#include "libnetfilter_queue/libnetfilter_queue.h"
#include "sys/socket.h"
#ifdef _OPENMP
#include <omp.h>
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                default_encoding_c);
            goto bad;
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bad:
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bad:
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/* Test for GCC > 2.95 */
#if defined(__GNUC__)     && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))
  #define likely(x)   __builtin_expect(!!(x), 1)
  #define unlikely(x) __builtin_expect(!!(x), 0)
#else /* !__GNUC__ or GCC < 2.95 */
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  #define unlikely(x) (x)
#endif /* __GNUC__ */

static PyObject *__pyx_m;
static PyObject *__pyx_d;
static PyObject *__pyx_b;
static PyObject *__pyx_empty_tuple;
static PyObject *__pyx_empty_bytes;
static PyObject *__pyx_empty_unicode;
static int __pyx_lineno;
static int __pyx_clineno = 0;
static const char * __pyx_cfilenm= __FILE__;
static const char *__pyx_filename;


static const char *__pyx_f[] = {
  "netfilterqueue.pyx",
  "netfilterqueue.pxd",
};

/*--- Type declarations ---*/
struct __pyx_obj_14netfilterqueue_Packet;
struct __pyx_obj_14netfilterqueue_NetfilterQueue;

/* "netfilterqueue.pxd":10
 * 
 * # dummy defines from asm-generic/errno.h:
 * cdef enum:             # <<<<<<<<<<<<<<
 *     ENOBUFS = 105         # No buffer space available
 * 
 */
enum  {
  __pyx_e_14netfilterqueue_ENOBUFS = 0x69
};

/* "netfilterqueue.pxd":26
 * 
 * # Dummy defines from netinet/in.h:
 * cdef enum:             # <<<<<<<<<<<<<<
 *     IPPROTO_IP = 0        # Dummy protocol for TCP.
 *     IPPROTO_HOPOPTS = 0   # IPv6 Hop-by-Hop options.
 */
enum  {
  __pyx_e_14netfilterqueue_IPPROTO_IP = 0,
  __pyx_e_14netfilterqueue_IPPROTO_HOPOPTS = 0,
  __pyx_e_14netfilterqueue_IPPROTO_ICMP = 1,
  __pyx_e_14netfilterqueue_IPPROTO_IGMP = 2,
  __pyx_e_14netfilterqueue_IPPROTO_IPIP = 4,
  __pyx_e_14netfilterqueue_IPPROTO_TCP = 6,
  __pyx_e_14netfilterqueue_IPPROTO_EGP = 8,
  __pyx_e_14netfilterqueue_IPPROTO_PUP = 12,
  __pyx_e_14netfilterqueue_IPPROTO_UDP = 17,
  __pyx_e_14netfilterqueue_IPPROTO_IDP = 22,
  __pyx_e_14netfilterqueue_IPPROTO_TP = 29,
  __pyx_e_14netfilterqueue_IPPROTO_IPV6 = 41,
  __pyx_e_14netfilterqueue_IPPROTO_ROUTING = 43,
  __pyx_e_14netfilterqueue_IPPROTO_FRAGMENT = 44,
  __pyx_e_14netfilterqueue_IPPROTO_RSVP = 46,
  __pyx_e_14netfilterqueue_IPPROTO_GRE = 47,
  __pyx_e_14netfilterqueue_IPPROTO_ESP = 50,
  __pyx_e_14netfilterqueue_IPPROTO_AH = 51,
  __pyx_e_14netfilterqueue_IPPROTO_ICMPV6 = 58,
  __pyx_e_14netfilterqueue_IPPROTO_NONE = 59,
  __pyx_e_14netfilterqueue_IPPROTO_DSTOPTS = 60,
  __pyx_e_14netfilterqueue_IPPROTO_MTP = 92,
  __pyx_e_14netfilterqueue_IPPROTO_ENCAP = 98,
  __pyx_e_14netfilterqueue_IPPROTO_PIM = 0x67,
  __pyx_e_14netfilterqueue_IPPROTO_COMP = 0x6C,
  __pyx_e_14netfilterqueue_IPPROTO_SCTP = 0x84,
  __pyx_e_14netfilterqueue_IPPROTO_RAW = 0xFF,
  __pyx_e_14netfilterqueue_IPPROTO_MAX
};

/* "netfilterqueue.pxd":149
 * 
 * # Dummy defines from linux/socket.h:
 * cdef enum: #  Protocol families, same as address families.             # <<<<<<<<<<<<<<
 *     PF_INET = 2
 *     PF_INET6 = 10
 */
enum  {
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};

/* "netfilterqueue.pxd":157
 * 
 * # Dummy defines from linux/netfilter.h
 * cdef enum:             # <<<<<<<<<<<<<<
 *     NF_DROP
 *     NF_ACCEPT
 */
enum  {

  /* "netfilterqueue.pxd":164
 *     NF_REPEAT
 *     NF_STOP
 *     NF_MAX_VERDICT = NF_STOP             # <<<<<<<<<<<<<<
 * 
 * cdef class Packet:
 */
  __pyx_e_14netfilterqueue_NF_DROP,
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};

/* "netfilterqueue.pxd":166
 *     NF_MAX_VERDICT = NF_STOP
 * 
 * cdef class Packet:             # <<<<<<<<<<<<<<
 *     cdef nfq_q_handle *_qh
 *     cdef nfq_data *_nfa
 */
struct __pyx_obj_14netfilterqueue_Packet {
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  struct nfq_data *_nfa;
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  u_int16_t hw_protocol;
  u_int8_t hook;
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  Py_ssize_t payload_len;
  char *payload;
  struct timeval timestamp;
};


/* "netfilterqueue.pxd":205
 *     cpdef repeat(self)
 * 
 * cdef class NetfilterQueue:             # <<<<<<<<<<<<<<
 *     cdef object user_callback # User callback
 *     cdef nfq_handle *h # Handle to NFQueue library
 */
struct __pyx_obj_14netfilterqueue_NetfilterQueue {
  PyObject_HEAD
  PyObject *user_callback;
  struct nfq_handle *h;
  struct nfq_q_handle *qh;
  u_int16_t af;
  PyObject *packet_copy_size;
};



/* "netfilterqueue.pyx":40
 *     return 1
 * 
 * cdef class Packet:             # <<<<<<<<<<<<<<
 *     """A packet received from NetfilterQueue."""
 *     def __cinit__(self):
 */

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  Py_ssize_t (*get_payload_len)(struct __pyx_obj_14netfilterqueue_Packet *, int __pyx_skip_dispatch);
  double (*get_timestamp)(struct __pyx_obj_14netfilterqueue_Packet *, int __pyx_skip_dispatch);
  PyObject *(*set_payload)(struct __pyx_obj_14netfilterqueue_Packet *, PyObject *, int __pyx_skip_dispatch);
  PyObject *(*set_mark)(struct __pyx_obj_14netfilterqueue_Packet *, u_int32_t, int __pyx_skip_dispatch);
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static PyObject *__pyx_f_14netfilterqueue_6Packet_set_nfq_data(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self, struct nfq_q_handle *__pyx_v_qh, struct nfq_data *__pyx_v_nfa); /* proto*/
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/* Module declarations from 'netfilterqueue' */
static PyTypeObject *__pyx_ptype_14netfilterqueue_Packet = 0;
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static const char __pyx_k_af[] = "af";
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static const char __pyx_k_DDX[] = "DDX";
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static const char __pyx_k_GMTP[] = "GMTP";
static const char __pyx_k_IATP[] = "IATP";
static const char __pyx_k_ICMP[] = "ICMP";
static const char __pyx_k_IDPR[] = "IDPR";
static const char __pyx_k_IDRP[] = "IDRP";
static const char __pyx_k_IFMP[] = "IFMP";
static const char __pyx_k_IGMP[] = "IGMP";
static const char __pyx_k_IPCV[] = "IPCV";
static const char __pyx_k_IPIP[] = "IPIP";
static const char __pyx_k_IPLT[] = "IPLT";
static const char __pyx_k_IPPC[] = "IPPC";
static const char __pyx_k_IPv6[] = "IPv6";
static const char __pyx_k_IRTP[] = "IRTP";
static const char __pyx_k_ISIS[] = "ISIS";
static const char __pyx_k_L2TP[] = "L2TP";
static const char __pyx_k_LARP[] = "LARP";
static const char __pyx_k_MICP[] = "MICP";
static const char __pyx_k_NARP[] = "NARP";
static const char __pyx_k_PIPE[] = "PIPE";
static const char __pyx_k_PNNI[] = "PNNI";
static const char __pyx_k_RSVP[] = "RSVP";
static const char __pyx_k_SCPS[] = "SCPS";
static const char __pyx_k_SCTP[] = "SCTP";
static const char __pyx_k_SDRP[] = "SDRP";
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static const char __pyx_k_TLSP[] = "TLSP";
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static const char __pyx_k_VMTP[] = "VMTP";
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static const char __pyx_k_AX_25[] = "AX.25";
static const char __pyx_k_CHAOS[] = "CHAOS";
static const char __pyx_k_CRUDP[] = "CRUDP";
static const char __pyx_k_EIGRP[] = "EIGRP";
static const char __pyx_k_EMCON[] = "EMCON";
static const char __pyx_k_ENCAP[] = "ENCAP";
static const char __pyx_k_SWIPE[] = "SWIPE";
static const char __pyx_k_Shim6[] = "Shim6";
static const char __pyx_k_VINES[] = "VINES";
static const char __pyx_k_manet[] = "manet";
static const char __pyx_k_range[] = "range";
static const char __pyx_k_HOPOPT[] = "HOPOPT";
static const char __pyx_k_IPComp[] = "IPComp";
static const char __pyx_k_ISO_IP[] = "ISO-IP";
static const char __pyx_k_I_NLSP[] = "I-NLSP";
static const char __pyx_k_LEAF_1[] = "LEAF-1";
static const char __pyx_k_LEAF_2[] = "LEAF-2";
static const char __pyx_k_MOBILE[] = "MOBILE";
static const char __pyx_k_NETBLT[] = "NETBLT";
static const char __pyx_k_NVP_II[] = "NVP-II";
static const char __pyx_k_SCC_SP[] = "SCC-SP";
static const char __pyx_k_SUN_ND[] = "SUN-ND";
static const char __pyx_k_WB_MON[] = "WB-MON";
static const char __pyx_k_accept[] = "accept";
static const char __pyx_k_repeat[] = "repeat";
static const char __pyx_k_ETHERIP[] = "ETHERIP";
static const char __pyx_k_ISO_TP4[] = "ISO-TP4";
static const char __pyx_k_MFE_NSP[] = "MFE-NSP";
static const char __pyx_k_OSError[] = "OSError";
static const char __pyx_k_OSPFIGP[] = "OSPFIGP";
static const char __pyx_k_SAT_MON[] = "SAT-MON";
static const char __pyx_k_TRUNK_1[] = "TRUNK-1";
static const char __pyx_k_TRUNK_2[] = "TRUNK-2";
static const char __pyx_k_UDPLite[] = "UDPLite";
static const char __pyx_k_VERSION[] = "VERSION";
static const char __pyx_k_XNS_IDP[] = "XNS-IDP";
static const char __pyx_k_max_len[] = "max_len";
static const char __pyx_k_DCN_MEAS[] = "DCN-MEAS";
static const char __pyx_k_Mobility[] = "Mobility";
static const char __pyx_k_Reserved[] = "Reserved";
static const char __pyx_k_SSCOPMCE[] = "SSCOPMCE";
static const char __pyx_k_WB_EXPAK[] = "WB-EXPAK";
static const char __pyx_k_get_mark[] = "get_mark";
static const char __pyx_k_set_mark[] = "set_mark";
static const char __pyx_k_sock_len[] = "sock_len";
static const char __pyx_k_COPY_META[] = "COPY_META";
static const char __pyx_k_COPY_NONE[] = "COPY_NONE";
static const char __pyx_k_IDPR_CMTP[] = "IDPR-CMTP";
static const char __pyx_k_IPX_in_IP[] = "IPX-in-IP";
static const char __pyx_k_IPv6_Frag[] = "IPv6-Frag";
static const char __pyx_k_IPv6_ICMP[] = "IPv6-ICMP";
static const char __pyx_k_IPv6_Opts[] = "IPv6-Opts";
static const char __pyx_k_KRYPTOLAN[] = "KRYPTOLAN";
static const char __pyx_k_MERIT_INP[] = "MERIT-INP";
static const char __pyx_k_PROTOCOLS[] = "PROTOCOLS";
static const char __pyx_k_SAT_EXPAK[] = "SAT-EXPAK";
static const char __pyx_k_queue_num[] = "queue_num";
static const char __pyx_k_BR_SAT_MON[] = "BR-SAT-MON";
static const char __pyx_k_IPv6_NoNxt[] = "IPv6-NoNxt";
static const char __pyx_k_IPv6_Route[] = "IPv6-Route";
static const char __pyx_k_MPLS_in_IP[] = "MPLS-in-IP";
static const char __pyx_k_NSFNET_IGP[] = "NSFNET-IGP";
static const char __pyx_k_Sprite_RPC[] = "Sprite-RPC";
static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
static const char __pyx_k_BBN_RCC_MON[] = "BBN-RCC-MON";
static const char __pyx_k_COPY_PACKET[] = "COPY_PACKET";
static const char __pyx_k_Compaq_Peer[] = "Compaq-Peer";
static const char __pyx_k_SECURE_VMTP[] = "SECURE-VMTP";
static const char __pyx_k_set_payload[] = "set_payload";
static const char __pyx_k_get_timestamp[] = "get_timestamp";
static const char __pyx_k_user_callback[] = "user_callback";
static const char __pyx_k_RuntimeWarning[] = "RuntimeWarning";
static const char __pyx_k_RSVP_E2E_IGNORE[] = "RSVP-E2E-IGNORE";
static const char __pyx_k_get_payload_len[] = "get_payload_len";
static const char __pyx_k_Unknown_protocol[] = "Unknown protocol";
static const char __pyx_k_s_packet_s_bytes[] = "%s packet, %s bytes";
static const char __pyx_k_any_local_network[] = "any local network";
static const char __pyx_k_any_0_hop_protocol[] = "any 0-hop protocol";
static const char __pyx_k_Failed_to_open_NFQueue[] = "Failed to open NFQueue.";
static const char __pyx_k_Failed_to_create_queue_s[] = "Failed to create queue %s.";
static const char __pyx_k_any_host_internal_protocol[] = "any host internal protocol";
static const char __pyx_k_any_distributed_file_system[] = "any distributed file system";
static const char __pyx_k_any_private_encryption_scheme[] = "any private encryption scheme";
static const char __pyx_k_Failed_to_set_packet_copy_mode[] = "Failed to set packet copy mode.";
static const char __pyx_k_Bind_to_a_Linux_netfilter_queue[] = "\nBind to a Linux netfilter queue. Send packets to a user-specified callback\nfunction.\n\nCopyright: (c) 2011, Kerkhoff Technologies Inc.\nLicense: MIT; see LICENSE.txt\n";
static const char __pyx_k_Failed_to_bind_family_s_Are_you[] = "Failed to bind family %s. Are you root?";
static const char __pyx_k_Failed_to_get_payload_of_packet[] = "Failed to get payload of packet.";
static const char __pyx_k_Socket_rcvbuf_limit_is_now_d_req[] = "Socket rcvbuf limit is now %d, requested %d.";
static const char __pyx_k_Verdict_already_given_for_this_p[] = "Verdict already given for this packet.";
static PyObject *__pyx_kp_s_3PC;
static PyObject *__pyx_n_s_AH;
static PyObject *__pyx_n_s_ARGUS;
static PyObject *__pyx_n_s_ARIS;
static PyObject *__pyx_kp_s_AX_25;
static PyObject *__pyx_kp_s_A_N;
static PyObject *__pyx_kp_s_BBN_RCC_MON;
static PyObject *__pyx_n_s_BNA;
static PyObject *__pyx_kp_s_BR_SAT_MON;
static PyObject *__pyx_n_s_CBT;
static PyObject *__pyx_n_s_CFTP;
static PyObject *__pyx_n_s_CHAOS;
static PyObject *__pyx_n_s_COPY_META;
static PyObject *__pyx_n_s_COPY_NONE;
static PyObject *__pyx_n_s_COPY_PACKET;
static PyObject *__pyx_n_s_CPHB;
static PyObject *__pyx_n_s_CPNX;
static PyObject *__pyx_n_s_CRTP;
static PyObject *__pyx_n_s_CRUDP;
static PyObject *__pyx_kp_s_Compaq_Peer;
static PyObject *__pyx_n_s_DCCP;
static PyObject *__pyx_kp_s_DCN_MEAS;
static PyObject *__pyx_n_s_DDP;
static PyObject *__pyx_n_s_DDX;
static PyObject *__pyx_n_s_DGP;
static PyObject *__pyx_n_s_DSR;
static PyObject *__pyx_n_s_EGP;
static PyObject *__pyx_n_s_EIGRP;
static PyObject *__pyx_n_s_EMCON;
static PyObject *__pyx_n_s_ENCAP;
static PyObject *__pyx_n_s_ESP;
static PyObject *__pyx_n_s_ETHERIP;
static PyObject *__pyx_n_s_FC;
static PyObject *__pyx_n_s_FIRE;
static PyObject *__pyx_kp_s_Failed_to_bind_family_s_Are_you;
static PyObject *__pyx_kp_s_Failed_to_create_queue_s;
static PyObject *__pyx_kp_s_Failed_to_get_payload_of_packet;
static PyObject *__pyx_kp_s_Failed_to_open_NFQueue;
static PyObject *__pyx_kp_s_Failed_to_set_packet_copy_mode;
static PyObject *__pyx_n_s_GGP;
static PyObject *__pyx_n_s_GMTP;
static PyObject *__pyx_n_s_GRE;
static PyObject *__pyx_n_s_HIP;
static PyObject *__pyx_n_s_HMP;
static PyObject *__pyx_n_s_HOPOPT;
static PyObject *__pyx_n_s_IATP;
static PyObject *__pyx_n_s_ICMP;
static PyObject *__pyx_n_s_IDPR;
static PyObject *__pyx_kp_s_IDPR_CMTP;
static PyObject *__pyx_n_s_IDRP;
static PyObject *__pyx_n_s_IFMP;
static PyObject *__pyx_n_s_IGMP;
static PyObject *__pyx_n_s_IGP;
static PyObject *__pyx_n_s_IL;
static PyObject *__pyx_n_s_IP;
static PyObject *__pyx_n_s_IPCV;
static PyObject *__pyx_n_s_IPComp;
static PyObject *__pyx_n_s_IPIP;
static PyObject *__pyx_n_s_IPLT;
static PyObject *__pyx_n_s_IPPC;
static PyObject *__pyx_kp_s_IPX_in_IP;
static PyObject *__pyx_n_s_IPv6;
static PyObject *__pyx_kp_s_IPv6_Frag;
static PyObject *__pyx_kp_s_IPv6_ICMP;
static PyObject *__pyx_kp_s_IPv6_NoNxt;
static PyObject *__pyx_kp_s_IPv6_Opts;
static PyObject *__pyx_kp_s_IPv6_Route;
static PyObject *__pyx_n_s_IRTP;
static PyObject *__pyx_n_s_ISIS;
static PyObject *__pyx_kp_s_ISO_IP;
static PyObject *__pyx_kp_s_ISO_TP4;
static PyObject *__pyx_kp_s_I_NLSP;
static PyObject *__pyx_n_s_KRYPTOLAN;
static PyObject *__pyx_n_s_L2TP;
static PyObject *__pyx_n_s_LARP;
static PyObject *__pyx_kp_s_LEAF_1;
static PyObject *__pyx_kp_s_LEAF_2;
static PyObject *__pyx_kp_s_MERIT_INP;
static PyObject *__pyx_kp_s_MFE_NSP;
static PyObject *__pyx_n_s_MICP;
static PyObject *__pyx_n_s_MOBILE;
static PyObject *__pyx_kp_s_MPLS_in_IP;
static PyObject *__pyx_n_s_MTP;
static PyObject *__pyx_n_s_MUX;
static PyObject *__pyx_n_s_Mobility;
static PyObject *__pyx_n_s_NARP;
static PyObject *__pyx_n_s_NETBLT;
static PyObject *__pyx_kp_s_NSFNET_IGP;
static PyObject *__pyx_kp_s_NVP_II;
static PyObject *__pyx_n_s_OSError;
static PyObject *__pyx_n_s_OSPFIGP;
static PyObject *__pyx_n_s_PGM;
static PyObject *__pyx_n_s_PIM;
static PyObject *__pyx_n_s_PIPE;
static PyObject *__pyx_n_s_PNNI;
static PyObject *__pyx_n_s_PRM;
static PyObject *__pyx_n_s_PROTOCOLS;
static PyObject *__pyx_n_s_PTP;
static PyObject *__pyx_n_s_PUP;
static PyObject *__pyx_n_s_PVP;
static PyObject *__pyx_n_s_QNX;
static PyObject *__pyx_n_s_RDP;
static PyObject *__pyx_n_s_RSVP;
static PyObject *__pyx_kp_s_RSVP_E2E_IGNORE;
static PyObject *__pyx_n_s_RVD;
static PyObject *__pyx_n_s_Reserved;
static PyObject *__pyx_n_s_RuntimeWarning;
static PyObject *__pyx_kp_s_SAT_EXPAK;
static PyObject *__pyx_kp_s_SAT_MON;
static PyObject *__pyx_kp_s_SCC_SP;
static PyObject *__pyx_n_s_SCPS;
static PyObject *__pyx_n_s_SCTP;
static PyObject *__pyx_n_s_SDRP;
static PyObject *__pyx_kp_s_SECURE_VMTP;
static PyObject *__pyx_n_s_SKIP;
static PyObject *__pyx_n_s_SM;
static PyObject *__pyx_n_s_SMP;
static PyObject *__pyx_n_s_SNP;
static PyObject *__pyx_n_s_SPS;
static PyObject *__pyx_n_s_SRP;
static PyObject *__pyx_n_s_SSCOPMCE;
static PyObject *__pyx_n_s_ST;
static PyObject *__pyx_n_s_STP;
static PyObject *__pyx_kp_s_SUN_ND;
static PyObject *__pyx_n_s_SWIPE;
static PyObject *__pyx_n_s_Shim6;
static PyObject *__pyx_kp_s_Socket_rcvbuf_limit_is_now_d_req;
static PyObject *__pyx_kp_s_Sprite_RPC;
static PyObject *__pyx_n_s_TCF;
static PyObject *__pyx_n_s_TCP;
static PyObject *__pyx_n_s_TLSP;
static PyObject *__pyx_kp_s_TP;
static PyObject *__pyx_kp_s_TRUNK_1;
static PyObject *__pyx_kp_s_TRUNK_2;
static PyObject *__pyx_n_s_TTP;
static PyObject *__pyx_n_s_UDP;
static PyObject *__pyx_n_s_UDPLite;
static PyObject *__pyx_n_s_UTI;
static PyObject *__pyx_kp_s_Unknown_protocol;
static PyObject *__pyx_n_s_VERSION;
static PyObject *__pyx_n_s_VINES;
static PyObject *__pyx_n_s_VISA;
static PyObject *__pyx_n_s_VMTP;
static PyObject *__pyx_n_s_VRRP;
static PyObject *__pyx_kp_s_Verdict_already_given_for_this_p;
static PyObject *__pyx_kp_s_WB_EXPAK;
static PyObject *__pyx_kp_s_WB_MON;
static PyObject *__pyx_n_s_WSN;
static PyObject *__pyx_n_s_XNET;
static PyObject *__pyx_kp_s_XNS_IDP;
static PyObject *__pyx_n_s_XTP;
static PyObject *__pyx_n_s_accept;
static PyObject *__pyx_n_s_af;
static PyObject *__pyx_kp_s_any_0_hop_protocol;
static PyObject *__pyx_kp_s_any_distributed_file_system;
static PyObject *__pyx_kp_s_any_host_internal_protocol;
static PyObject *__pyx_kp_s_any_local_network;
static PyObject *__pyx_kp_s_any_private_encryption_scheme;
static PyObject *__pyx_n_s_drop;
static PyObject *__pyx_n_s_get;
static PyObject *__pyx_n_s_get_mark;
static PyObject *__pyx_n_s_get_payload_len;
static PyObject *__pyx_n_s_get_timestamp;
static PyObject *__pyx_n_s_main;
static PyObject *__pyx_n_s_manet;
static PyObject *__pyx_n_s_max_len;
static PyObject *__pyx_n_s_mode;
static PyObject *__pyx_n_s_pyx_vtable;
static PyObject *__pyx_n_s_queue_num;
static PyObject *__pyx_n_s_range;
static PyObject *__pyx_n_s_repeat;
static PyObject *__pyx_kp_s_s_packet_s_bytes;
static PyObject *__pyx_n_s_set_mark;
static PyObject *__pyx_n_s_set_payload;
static PyObject *__pyx_n_s_sock_len;
static PyObject *__pyx_n_s_test;
static PyObject *__pyx_n_s_user_callback;
static int __pyx_pf_14netfilterqueue_6Packet___cinit__(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_2__str__(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_4get_payload(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_6get_payload_len(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_8get_timestamp(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_10set_payload(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self, PyObject *__pyx_v_payload); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_12set_mark(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self, u_int32_t __pyx_v_mark); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_14get_mark(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_16accept(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_18drop(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_20repeat(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_2id___get__(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_11hw_protocol___get__(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_4hook___get__(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_4mark___get__(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_6Packet_7payload___get__(struct __pyx_obj_14netfilterqueue_Packet *__pyx_v_self); /* proto */
static int __pyx_pf_14netfilterqueue_14NetfilterQueue___cinit__(struct __pyx_obj_14netfilterqueue_NetfilterQueue *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_args, PyObject *__pyx_v_kwargs); /* proto */
static void __pyx_pf_14netfilterqueue_14NetfilterQueue_2__dealloc__(struct __pyx_obj_14netfilterqueue_NetfilterQueue *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_4bind(struct __pyx_obj_14netfilterqueue_NetfilterQueue *__pyx_v_self, int __pyx_v_queue_num, PyObject *__pyx_v_user_callback, u_int32_t __pyx_v_max_len, u_int8_t __pyx_v_mode, u_int32_t __pyx_v_range, u_int32_t __pyx_v_sock_len); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_6unbind(struct __pyx_obj_14netfilterqueue_NetfilterQueue *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_14netfilterqueue_14NetfilterQueue_8run(struct __pyx_obj_14netfilterqueue_NetfilterQueue *__pyx_v_self); /* proto */
static PyObject *__pyx_tp_new_14netfilterqueue_Packet(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_14netfilterqueue_NetfilterQueue(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_int_0;
static PyObject *__pyx_int_1;
static PyObject *__pyx_int_2;
static PyObject *__pyx_int_3;
static PyObject *__pyx_int_4;
static PyObject *__pyx_int_5;
static PyObject *__pyx_int_6;
static PyObject *__pyx_int_7;
static PyObject *__pyx_int_8;
static PyObject *__pyx_int_9;
static PyObject *__pyx_int_10;
static PyObject *__pyx_int_11;
static PyObject *__pyx_int_12;
static PyObject *__pyx_int_13;
static PyObject *__pyx_int_14;
static PyObject *__pyx_int_15;
static PyObject *__pyx_int_16;
static PyObject *__pyx_int_17;
static PyObject *__pyx_int_18;
static PyObject *__pyx_int_19;
static PyObject *__pyx_int_20;
static PyObject *__pyx_int_21;
static PyObject *__pyx_int_22;
static PyObject *__pyx_int_23;
static PyObject *__pyx_int_24;
static PyObject *__pyx_int_25;
static PyObject *__pyx_int_26;
static PyObject *__pyx_int_27;
static PyObject *__pyx_int_28;
static PyObject *__pyx_int_29;
static PyObject *__pyx_int_30;
static PyObject *__pyx_int_31;
static PyObject *__pyx_int_32;
static PyObject *__pyx_int_33;
static PyObject *__pyx_int_34;
static PyObject *__pyx_int_35;
static PyObject *__pyx_int_36;
static PyObject *__pyx_int_37;
static PyObject *__pyx_int_38;
static PyObject *__pyx_int_39;
static PyObject *__pyx_int_40;
static PyObject *__pyx_int_41;
static PyObject *__pyx_int_42;
static PyObject *__pyx_int_43;
static PyObject *__pyx_int_44;
static PyObject *__pyx_int_45;
static PyObject *__pyx_int_46;
static PyObject *__pyx_int_47;
static PyObject *__pyx_int_48;
static PyObject *__pyx_int_49;
static PyObject *__pyx_int_50;
static PyObject *__pyx_int_51;
static PyObject *__pyx_int_52;
static PyObject *__pyx_int_53;
static PyObject *__pyx_int_54;
static PyObject *__pyx_int_55;
static PyObject *__pyx_int_56;
static PyObject *__pyx_int_57;
static PyObject *__pyx_int_58;
static PyObject *__pyx_int_59;
static PyObject *__pyx_int_60;
static PyObject *__pyx_int_61;
static PyObject *__pyx_int_62;
static PyObject *__pyx_int_63;
static PyObject *__pyx_int_64;
static PyObject *__pyx_int_65;
static PyObject *__pyx_int_66;
static PyObject *__pyx_int_67;
static PyObject *__pyx_int_68;
static PyObject *__pyx_int_69;
static PyObject *__pyx_int_70;
static PyObject *__pyx_int_71;
static PyObject *__pyx_int_72;
static PyObject *__pyx_int_73;
static PyObject *__pyx_int_74;
static PyObject *__pyx_int_75;
static PyObject *__pyx_int_76;
static PyObject *__pyx_int_77;
static PyObject *__pyx_int_78;
static PyObject *__pyx_int_79;
static PyObject *__pyx_int_80;
static PyObject *__pyx_int_81;
static PyObject *__pyx_int_82;
static PyObject *__pyx_int_83;
static PyObject *__pyx_int_84;
static PyObject *__pyx_int_85;
static PyObject *__pyx_int_86;
static PyObject *__pyx_int_87;
static PyObject *__pyx_int_88;
static PyObject *__pyx_int_89;
static PyObject *__pyx_int_90;
static PyObject *__pyx_int_91;
static PyObject *__pyx_int_92;
static PyObject *__pyx_int_93;
static PyObject *__pyx_int_94;
static PyObject *__pyx_int_95;
static PyObject *__pyx_int_96;
static PyObject *__pyx_int_97;
static PyObject *__pyx_int_98;
static PyObject *__pyx_int_99;
static PyObject *__pyx_int_100;
static PyObject *__pyx_int_101;
static PyObject *__pyx_int_102;
static PyObject *__pyx_int_103;
static PyObject *__pyx_int_104;
static PyObject *__pyx_int_105;
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      /* "netfilterqueue.pyx":202
 *                 rv = recv(fd, buf, sizeof(buf), 0)
 *             if (rv >= 0):
 *                 nfq_handle_packet(self.h, buf, rv)             # <<<<<<<<<<<<<<
 *             else:
 *                 if errno != ENOBUFS:
 */
      nfq_handle_packet(__pyx_v_self->h, __pyx_v_buf, __pyx_v_rv);

      /* "netfilterqueue.pyx":201
 *             with nogil:
 *                 rv = recv(fd, buf, sizeof(buf), 0)
 *             if (rv >= 0):             # <<<<<<<<<<<<<<
 *                 nfq_handle_packet(self.h, buf, rv)
 *             else:
 */
      goto __pyx_L10;
    }

    /* "netfilterqueue.pyx":204
 *                 nfq_handle_packet(self.h, buf, rv)
 *             else:
 *                 if errno != ENOBUFS:             # <<<<<<<<<<<<<<
 *                     break
 * 
 */
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 * 
 * PROTOCOLS = {
 */
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        /* "netfilterqueue.pyx":204
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 * 
 */
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 * 
 *     def run(self):             # <<<<<<<<<<<<<<
 *         """Begin accepting packets."""
 *         cdef int fd = nfq_fd(self.h)
 */

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static struct __pyx_vtabstruct_14netfilterqueue_Packet __pyx_vtable_14netfilterqueue_Packet;

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}

static void __pyx_tp_dealloc_14netfilterqueue_Packet(PyObject *o) {
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  if (unlikely(Py_TYPE(o)->tp_finalize) && (!PyType_IS_GC(Py_TYPE(o)) || !_PyGC_FINALIZED(o))) {
    if (PyObject_CallFinalizerFromDealloc(o)) return;
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}

static PyObject *__pyx_getprop_14netfilterqueue_6Packet_id(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_14netfilterqueue_6Packet_2id_1__get__(o);
}

static PyObject *__pyx_getprop_14netfilterqueue_6Packet_hw_protocol(PyObject *o, CYTHON_UNUSED void *x) {
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}

static PyObject *__pyx_getprop_14netfilterqueue_6Packet_hook(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_14netfilterqueue_6Packet_4hook_1__get__(o);
}

static PyObject *__pyx_getprop_14netfilterqueue_6Packet_mark(PyObject *o, CYTHON_UNUSED void *x) {
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}

static PyObject *__pyx_getprop_14netfilterqueue_6Packet_payload(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_14netfilterqueue_6Packet_7payload_1__get__(o);
}

static PyMethodDef __pyx_methods_14netfilterqueue_Packet[] = {
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  {"get_payload_len", (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_7get_payload_len, METH_NOARGS, 0},
  {"get_timestamp", (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_9get_timestamp, METH_NOARGS, 0},
  {"set_payload", (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_11set_payload, METH_O, __pyx_doc_14netfilterqueue_6Packet_10set_payload},
  {"set_mark", (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_13set_mark, METH_O, 0},
  {"get_mark", (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_15get_mark, METH_NOARGS, 0},
  {"accept", (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_17accept, METH_NOARGS, __pyx_doc_14netfilterqueue_6Packet_16accept},
  {"drop", (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_19drop, METH_NOARGS, __pyx_doc_14netfilterqueue_6Packet_18drop},
  {"repeat", (PyCFunction)__pyx_pw_14netfilterqueue_6Packet_21repeat, METH_NOARGS, __pyx_doc_14netfilterqueue_6Packet_20repeat},
  {0, 0, 0, 0}
};

static struct PyGetSetDef __pyx_getsets_14netfilterqueue_Packet[] = {
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  {(char *)"hw_protocol", __pyx_getprop_14netfilterqueue_6Packet_hw_protocol, 0, (char *)0, 0},
  {(char *)"hook", __pyx_getprop_14netfilterqueue_6Packet_hook, 0, (char *)0, 0},
  {(char *)"mark", __pyx_getprop_14netfilterqueue_6Packet_mark, 0, (char *)0, 0},
  {(char *)"payload", __pyx_getprop_14netfilterqueue_6Packet_payload, 0, (char *)0, 0},
  {0, 0, 0, 0, 0}
};

static PyTypeObject __pyx_type_14netfilterqueue_Packet = {
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  "A packet received from NetfilterQueue.", /*tp_doc*/
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static PyObject *__pyx_tp_new_14netfilterqueue_NetfilterQueue(PyTypeObject *t, PyObject *a, PyObject *k) {
  struct __pyx_obj_14netfilterqueue_NetfilterQueue *p;
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static void __pyx_tp_dealloc_14netfilterqueue_NetfilterQueue(PyObject *o) {
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  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
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  {
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}

static int __pyx_tp_traverse_14netfilterqueue_NetfilterQueue(PyObject *o, visitproc v, void *a) {
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  }
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    e = (*v)(p->packet_copy_size, a); if (e) return e;
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static int __pyx_tp_clear_14netfilterqueue_NetfilterQueue(PyObject *o) {
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}

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static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
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static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
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/* WriteUnraisableException */
  static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
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    PyObject *old_exc, *old_val, *old_tb;
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#ifdef WITH_THREAD
    if (nogil)
        PyGILState_Release(state);
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/* RaiseArgTupleInvalid */
  static void __Pyx_RaiseArgtupleInvalid(
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{
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        num_expected = num_max;
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        more_or_less = "exactly";
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                 func_name, more_or_less, num_expected,
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/* KeywordStringCheck */
  static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
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    PyObject* key = 0;
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#if CYTHON_COMPILING_IN_PYPY
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        #if PY_MAJOR_VERSION < 3
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invalid_keyword_type:
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    return 0;
#endif
invalid_keyword:
    PyErr_Format(PyExc_TypeError,
    #if PY_MAJOR_VERSION < 3
        "%.200s() got an unexpected keyword argument '%.200s'",
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    #else
        "%s() got an unexpected keyword argument '%U'",
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#else
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        PyErr_Clear();
#endif
        result = __Pyx_GetBuiltinName(name);
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    return result;
}

/* RaiseException */
    #if PY_MAJOR_VERSION < 3
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
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    __Pyx_PyThreadState_declare
    Py_XINCREF(type);
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        value = NULL;
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        Py_INCREF(value);
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        tb = NULL;
    else {
        Py_INCREF(tb);
        if (!PyTraceBack_Check(tb)) {
            PyErr_SetString(PyExc_TypeError,
                "raise: arg 3 must be a traceback or None");
            goto raise_error;
        }
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    if (PyType_Check(type)) {
#if CYTHON_COMPILING_IN_PYPY
        if (!value) {
            Py_INCREF(Py_None);
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#endif
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        if (value) {
            PyErr_SetString(PyExc_TypeError,
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            goto raise_error;
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        value = type;
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        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
            PyErr_SetString(PyExc_TypeError,
                "raise: exception class must be a subclass of BaseException");
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raise_error:
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    Py_XDECREF(type);
    Py_XDECREF(tb);
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#else
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
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        tb = 0;
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        PyErr_SetString(PyExc_TypeError,
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        goto bad;
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        value = 0;
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        if (value) {
            PyErr_SetString(PyExc_TypeError,
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bad:
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    PyObject* value;
#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
    value = PyDict_GetItemWithError(d, key);
    if (unlikely(!value)) {
        if (unlikely(PyErr_Occurred()))
            return NULL;
        value = default_value;
    }
    Py_INCREF(value);
#else
    if (PyString_CheckExact(key) || PyUnicode_CheckExact(key) || PyInt_CheckExact(key)) {
        value = PyDict_GetItem(d, key);
        if (unlikely(!value)) {
            value = default_value;
        }
        Py_INCREF(value);
    } else {
        if (default_value == Py_None)
            default_value = NULL;
        value = PyObject_CallMethodObjArgs(
            d, __pyx_n_s_get, key, default_value, NULL);
    }
#endif
    return value;
}

/* RaiseDoubleKeywords */
        static void __Pyx_RaiseDoubleKeywordsError(
    const char* func_name,
    PyObject* kw_name)
{
    PyErr_Format(PyExc_TypeError,
        #if PY_MAJOR_VERSION >= 3
        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
        #else
        "%s() got multiple values for keyword argument '%s'", func_name,
        PyString_AsString(kw_name));
        #endif
}

/* ParseKeywords */
        static int __Pyx_ParseOptionalKeywords(
    PyObject *kwds,
    PyObject **argnames[],
    PyObject *kwds2,
    PyObject *values[],
    Py_ssize_t num_pos_args,
    const char* function_name)
{
    PyObject *key = 0, *value = 0;
    Py_ssize_t pos = 0;
    PyObject*** name;
    PyObject*** first_kw_arg = argnames + num_pos_args;
    while (PyDict_Next(kwds, &pos, &key, &value)) {
        name = first_kw_arg;
        while (*name && (**name != key)) name++;
        if (*name) {
            values[name-argnames] = value;
            continue;
        }
        name = first_kw_arg;
        #if PY_MAJOR_VERSION < 3
        if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
            while (*name) {
                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
                        && _PyString_Eq(**name, key)) {
                    values[name-argnames] = value;
                    break;
                }
                name++;
            }
            if (*name) continue;
            else {
                PyObject*** argname = argnames;
                while (argname != first_kw_arg) {
                    if ((**argname == key) || (
                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
                             && _PyString_Eq(**argname, key))) {
                        goto arg_passed_twice;
                    }
                    argname++;
                }
            }
        } else
        #endif
        if (likely(PyUnicode_Check(key))) {
            while (*name) {
                int cmp = (**name == key) ? 0 :
                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
                #endif
                    PyUnicode_Compare(**name, key);
                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                if (cmp == 0) {
                    values[name-argnames] = value;
                    break;
                }
                name++;
            }
            if (*name) continue;
            else {
                PyObject*** argname = argnames;
                while (argname != first_kw_arg) {
                    int cmp = (**argname == key) ? 0 :
                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
                    #endif
                        PyUnicode_Compare(**argname, key);
                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                    if (cmp == 0) goto arg_passed_twice;
                    argname++;
                }
            }
        } else
            goto invalid_keyword_type;
        if (kwds2) {
            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
        } else {
            goto invalid_keyword;
        }
    }
    return 0;
arg_passed_twice:
    __Pyx_RaiseDoubleKeywordsError(function_name, key);
    goto bad;
invalid_keyword_type:
    PyErr_Format(PyExc_TypeError,
        "%.200s() keywords must be strings", function_name);
    goto bad;
invalid_keyword:
    PyErr_Format(PyExc_TypeError,
    #if PY_MAJOR_VERSION < 3
        "%.200s() got an unexpected keyword argument '%.200s'",
        function_name, PyString_AsString(key));
    #else
        "%s() got an unexpected keyword argument '%U'",
        function_name, key);
    #endif
bad:
    return -1;
}

/* SetVTable */
        static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
#if PY_VERSION_HEX >= 0x02070000
    PyObject *ob = PyCapsule_New(vtable, 0, 0);
#else
    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
#endif
    if (!ob)
        goto bad;
    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
        goto bad;
    Py_DECREF(ob);
    return 0;
bad:
    Py_XDECREF(ob);
    return -1;
}

/* CodeObjectCache */
        static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
    int start = 0, mid = 0, end = count - 1;
    if (end >= 0 && code_line > entries[end].code_line) {
        return count;
    }
    while (start < end) {
        mid = start + (end - start) / 2;
        if (code_line < entries[mid].code_line) {
            end = mid;
        } else if (code_line > entries[mid].code_line) {
             start = mid + 1;
        } else {
            return mid;
        }
    }
    if (code_line <= entries[mid].code_line) {
        return mid;
    } else {
        return mid + 1;
    }
}
static PyCodeObject *__pyx_find_code_object(int code_line) {
    PyCodeObject* code_object;
    int pos;
    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
        return NULL;
    }
    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
        return NULL;
    }
    code_object = __pyx_code_cache.entries[pos].code_object;
    Py_INCREF(code_object);
    return code_object;
}
static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
    int pos, i;
    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
    if (unlikely(!code_line)) {
        return;
    }
    if (unlikely(!entries)) {
        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
        if (likely(entries)) {
            __pyx_code_cache.entries = entries;
            __pyx_code_cache.max_count = 64;
            __pyx_code_cache.count = 1;
            entries[0].code_line = code_line;
            entries[0].code_object = code_object;
            Py_INCREF(code_object);
        }
        return;
    }
    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
        PyCodeObject* tmp = entries[pos].code_object;
        entries[pos].code_object = code_object;
        Py_DECREF(tmp);
        return;
    }
    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
        int new_max = __pyx_code_cache.max_count + 64;
        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
            __pyx_code_cache.entries, (size_t)new_max*sizeof(__Pyx_CodeObjectCacheEntry));
        if (unlikely(!entries)) {
            return;
        }
        __pyx_code_cache.entries = entries;
        __pyx_code_cache.max_count = new_max;
    }
    for (i=__pyx_code_cache.count; i>pos; i--) {
        entries[i] = entries[i-1];
    }
    entries[pos].code_line = code_line;
    entries[pos].code_object = code_object;
    __pyx_code_cache.count++;
    Py_INCREF(code_object);
}

/* AddTraceback */
        #include "compile.h"
#include "frameobject.h"
#include "traceback.h"
static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
            const char *funcname, int c_line,
            int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyObject *py_srcfile = 0;
    PyObject *py_funcname = 0;
    #if PY_MAJOR_VERSION < 3
    py_srcfile = PyString_FromString(filename);
    #else
    py_srcfile = PyUnicode_FromString(filename);
    #endif
    if (!py_srcfile) goto bad;
    if (c_line) {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #else
        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #endif
    }
    else {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromString(funcname);
        #else
        py_funcname = PyUnicode_FromString(funcname);
        #endif
    }
    if (!py_funcname) goto bad;
    py_code = __Pyx_PyCode_New(
        0,
        0,
        0,
        0,
        0,
        __pyx_empty_bytes, /*PyObject *code,*/
        __pyx_empty_tuple, /*PyObject *consts,*/
        __pyx_empty_tuple, /*PyObject *names,*/
        __pyx_empty_tuple, /*PyObject *varnames,*/
        __pyx_empty_tuple, /*PyObject *freevars,*/
        __pyx_empty_tuple, /*PyObject *cellvars,*/
        py_srcfile,   /*PyObject *filename,*/
        py_funcname,  /*PyObject *name,*/
        py_line,
        __pyx_empty_bytes  /*PyObject *lnotab*/
    );
    Py_DECREF(py_srcfile);
    Py_DECREF(py_funcname);
    return py_code;
bad:
    Py_XDECREF(py_srcfile);
    Py_XDECREF(py_funcname);
    return NULL;
}
static void __Pyx_AddTraceback(const char *funcname, int c_line,
                               int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyFrameObject *py_frame = 0;
    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
    if (!py_code) {
        py_code = __Pyx_CreateCodeObjectForTraceback(
            funcname, c_line, py_line, filename);
        if (!py_code) goto bad;
        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
    }
    py_frame = PyFrame_New(
        PyThreadState_GET(), /*PyThreadState *tstate,*/
        py_code,             /*PyCodeObject *code,*/
        __pyx_d,      /*PyObject *globals,*/
        0                    /*PyObject *locals*/
    );
    if (!py_frame) goto bad;
    py_frame->f_lineno = py_line;
    PyTraceBack_Here(py_frame);
bad:
    Py_XDECREF(py_code);
    Py_XDECREF(py_frame);
}

/* CIntFromPyVerify */
        #define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
    {\
        func_type value = func_value;\
        if (sizeof(target_type) < sizeof(func_type)) {\
            if (unlikely(value != (func_type) (target_type) value)) {\
                func_type zero = 0;\
                if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
                    return (target_type) -1;\
                if (is_unsigned && unlikely(value < zero))\
                    goto raise_neg_overflow;\
                else\
                    goto raise_overflow;\
            }\
        }\
        return (target_type) value;\
    }

/* CIntToPy */
        static CYTHON_INLINE PyObject* __Pyx_PyInt_From_u_int8_t(u_int8_t value) {
    const u_int8_t neg_one = (u_int8_t) -1, const_zero = (u_int8_t) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(u_int8_t) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(u_int8_t) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(u_int8_t) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
        }
    } else {
        if (sizeof(u_int8_t) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(u_int8_t) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(u_int8_t),
                                     little, !is_unsigned);
    }
}

/* CIntToPy */
        static CYTHON_INLINE PyObject* __Pyx_PyInt_From_u_int32_t(u_int32_t value) {
    const u_int32_t neg_one = (u_int32_t) -1, const_zero = (u_int32_t) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(u_int32_t) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(u_int32_t) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(u_int32_t) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
        }
    } else {
        if (sizeof(u_int32_t) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(u_int32_t) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(u_int32_t),
                                     little, !is_unsigned);
    }
}

/* CIntToPy */
        static CYTHON_INLINE PyObject* __Pyx_PyInt_From_u_int16_t(u_int16_t value) {
    const u_int16_t neg_one = (u_int16_t) -1, const_zero = (u_int16_t) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(u_int16_t) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(u_int16_t) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(u_int16_t) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
        }
    } else {
        if (sizeof(u_int16_t) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(u_int16_t) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(u_int16_t),
                                     little, !is_unsigned);
    }
}

/* CIntToPy */
        static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
    const int neg_one = (int) -1, const_zero = (int) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(int) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(int) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
        }
    } else {
        if (sizeof(int) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(int),
                                     little, !is_unsigned);
    }
}

/* CIntToPy */
        static CYTHON_INLINE PyObject* __Pyx_PyInt_From_unsigned_int(unsigned int value) {
    const unsigned int neg_one = (unsigned int) -1, const_zero = (unsigned int) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(unsigned int) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(unsigned int) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(unsigned int) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
        }
    } else {
        if (sizeof(unsigned int) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(unsigned int) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(unsigned int),
                                     little, !is_unsigned);
    }
}

/* CIntFromPy */
        static CYTHON_INLINE u_int32_t __Pyx_PyInt_As_u_int32_t(PyObject *x) {
    const u_int32_t neg_one = (u_int32_t) -1, const_zero = (u_int32_t) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(u_int32_t) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(u_int32_t, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (u_int32_t) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (u_int32_t) 0;
                case  1: __PYX_VERIFY_RETURN_INT(u_int32_t, digit, digits[0])
                case 2:
                    if (8 * sizeof(u_int32_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int32_t) >= 2 * PyLong_SHIFT) {
                            return (u_int32_t) (((((u_int32_t)digits[1]) << PyLong_SHIFT) | (u_int32_t)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(u_int32_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int32_t) >= 3 * PyLong_SHIFT) {
                            return (u_int32_t) (((((((u_int32_t)digits[2]) << PyLong_SHIFT) | (u_int32_t)digits[1]) << PyLong_SHIFT) | (u_int32_t)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(u_int32_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int32_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int32_t) >= 4 * PyLong_SHIFT) {
                            return (u_int32_t) (((((((((u_int32_t)digits[3]) << PyLong_SHIFT) | (u_int32_t)digits[2]) << PyLong_SHIFT) | (u_int32_t)digits[1]) << PyLong_SHIFT) | (u_int32_t)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (u_int32_t) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(u_int32_t) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(u_int32_t, unsigned long, PyLong_AsUnsignedLong(x))
            } else if (sizeof(u_int32_t) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(u_int32_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (u_int32_t) 0;
                case -1: __PYX_VERIFY_RETURN_INT(u_int32_t, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(u_int32_t,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(u_int32_t) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int32_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int32_t) - 1 > 2 * PyLong_SHIFT) {
                            return (u_int32_t) (((u_int32_t)-1)*(((((u_int32_t)digits[1]) << PyLong_SHIFT) | (u_int32_t)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(u_int32_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int32_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int32_t) - 1 > 2 * PyLong_SHIFT) {
                            return (u_int32_t) ((((((u_int32_t)digits[1]) << PyLong_SHIFT) | (u_int32_t)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(u_int32_t) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int32_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int32_t) - 1 > 3 * PyLong_SHIFT) {
                            return (u_int32_t) (((u_int32_t)-1)*(((((((u_int32_t)digits[2]) << PyLong_SHIFT) | (u_int32_t)digits[1]) << PyLong_SHIFT) | (u_int32_t)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(u_int32_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int32_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int32_t) - 1 > 3 * PyLong_SHIFT) {
                            return (u_int32_t) ((((((((u_int32_t)digits[2]) << PyLong_SHIFT) | (u_int32_t)digits[1]) << PyLong_SHIFT) | (u_int32_t)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(u_int32_t) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int32_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int32_t) - 1 > 4 * PyLong_SHIFT) {
                            return (u_int32_t) (((u_int32_t)-1)*(((((((((u_int32_t)digits[3]) << PyLong_SHIFT) | (u_int32_t)digits[2]) << PyLong_SHIFT) | (u_int32_t)digits[1]) << PyLong_SHIFT) | (u_int32_t)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(u_int32_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int32_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int32_t) - 1 > 4 * PyLong_SHIFT) {
                            return (u_int32_t) ((((((((((u_int32_t)digits[3]) << PyLong_SHIFT) | (u_int32_t)digits[2]) << PyLong_SHIFT) | (u_int32_t)digits[1]) << PyLong_SHIFT) | (u_int32_t)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(u_int32_t) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(u_int32_t, long, PyLong_AsLong(x))
            } else if (sizeof(u_int32_t) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(u_int32_t, PY_LONG_LONG, PyLong_AsLongLong(x))
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            u_int32_t val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (u_int32_t) -1;
        }
    } else {
        u_int32_t val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (u_int32_t) -1;
        val = __Pyx_PyInt_As_u_int32_t(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to u_int32_t");
    return (u_int32_t) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to u_int32_t");
    return (u_int32_t) -1;
}

/* CIntFromPy */
        static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
    const int neg_one = (int) -1, const_zero = (int) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(int) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (int) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (int) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(int) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
            } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                            return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                            return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                            return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(int) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
            } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            int val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (int) -1;
        }
    } else {
        int val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (int) -1;
        val = __Pyx_PyInt_As_int(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to int");
    return (int) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to int");
    return (int) -1;
}

/* CIntFromPy */
        static CYTHON_INLINE u_int8_t __Pyx_PyInt_As_u_int8_t(PyObject *x) {
    const u_int8_t neg_one = (u_int8_t) -1, const_zero = (u_int8_t) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(u_int8_t) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(u_int8_t, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (u_int8_t) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (u_int8_t) 0;
                case  1: __PYX_VERIFY_RETURN_INT(u_int8_t, digit, digits[0])
                case 2:
                    if (8 * sizeof(u_int8_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int8_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int8_t) >= 2 * PyLong_SHIFT) {
                            return (u_int8_t) (((((u_int8_t)digits[1]) << PyLong_SHIFT) | (u_int8_t)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(u_int8_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int8_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int8_t) >= 3 * PyLong_SHIFT) {
                            return (u_int8_t) (((((((u_int8_t)digits[2]) << PyLong_SHIFT) | (u_int8_t)digits[1]) << PyLong_SHIFT) | (u_int8_t)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(u_int8_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int8_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int8_t) >= 4 * PyLong_SHIFT) {
                            return (u_int8_t) (((((((((u_int8_t)digits[3]) << PyLong_SHIFT) | (u_int8_t)digits[2]) << PyLong_SHIFT) | (u_int8_t)digits[1]) << PyLong_SHIFT) | (u_int8_t)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (u_int8_t) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(u_int8_t) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(u_int8_t, unsigned long, PyLong_AsUnsignedLong(x))
            } else if (sizeof(u_int8_t) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(u_int8_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (u_int8_t) 0;
                case -1: __PYX_VERIFY_RETURN_INT(u_int8_t, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(u_int8_t,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(u_int8_t) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int8_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int8_t) - 1 > 2 * PyLong_SHIFT) {
                            return (u_int8_t) (((u_int8_t)-1)*(((((u_int8_t)digits[1]) << PyLong_SHIFT) | (u_int8_t)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(u_int8_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int8_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int8_t) - 1 > 2 * PyLong_SHIFT) {
                            return (u_int8_t) ((((((u_int8_t)digits[1]) << PyLong_SHIFT) | (u_int8_t)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(u_int8_t) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int8_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int8_t) - 1 > 3 * PyLong_SHIFT) {
                            return (u_int8_t) (((u_int8_t)-1)*(((((((u_int8_t)digits[2]) << PyLong_SHIFT) | (u_int8_t)digits[1]) << PyLong_SHIFT) | (u_int8_t)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(u_int8_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int8_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int8_t) - 1 > 3 * PyLong_SHIFT) {
                            return (u_int8_t) ((((((((u_int8_t)digits[2]) << PyLong_SHIFT) | (u_int8_t)digits[1]) << PyLong_SHIFT) | (u_int8_t)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(u_int8_t) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int8_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int8_t) - 1 > 4 * PyLong_SHIFT) {
                            return (u_int8_t) (((u_int8_t)-1)*(((((((((u_int8_t)digits[3]) << PyLong_SHIFT) | (u_int8_t)digits[2]) << PyLong_SHIFT) | (u_int8_t)digits[1]) << PyLong_SHIFT) | (u_int8_t)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(u_int8_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int8_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int8_t) - 1 > 4 * PyLong_SHIFT) {
                            return (u_int8_t) ((((((((((u_int8_t)digits[3]) << PyLong_SHIFT) | (u_int8_t)digits[2]) << PyLong_SHIFT) | (u_int8_t)digits[1]) << PyLong_SHIFT) | (u_int8_t)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(u_int8_t) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(u_int8_t, long, PyLong_AsLong(x))
            } else if (sizeof(u_int8_t) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(u_int8_t, PY_LONG_LONG, PyLong_AsLongLong(x))
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            u_int8_t val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (u_int8_t) -1;
        }
    } else {
        u_int8_t val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (u_int8_t) -1;
        val = __Pyx_PyInt_As_u_int8_t(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to u_int8_t");
    return (u_int8_t) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to u_int8_t");
    return (u_int8_t) -1;
}

/* CIntFromPy */
        static CYTHON_INLINE u_int16_t __Pyx_PyInt_As_u_int16_t(PyObject *x) {
    const u_int16_t neg_one = (u_int16_t) -1, const_zero = (u_int16_t) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(u_int16_t) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(u_int16_t, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (u_int16_t) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (u_int16_t) 0;
                case  1: __PYX_VERIFY_RETURN_INT(u_int16_t, digit, digits[0])
                case 2:
                    if (8 * sizeof(u_int16_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int16_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int16_t) >= 2 * PyLong_SHIFT) {
                            return (u_int16_t) (((((u_int16_t)digits[1]) << PyLong_SHIFT) | (u_int16_t)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(u_int16_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int16_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int16_t) >= 3 * PyLong_SHIFT) {
                            return (u_int16_t) (((((((u_int16_t)digits[2]) << PyLong_SHIFT) | (u_int16_t)digits[1]) << PyLong_SHIFT) | (u_int16_t)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(u_int16_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int16_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int16_t) >= 4 * PyLong_SHIFT) {
                            return (u_int16_t) (((((((((u_int16_t)digits[3]) << PyLong_SHIFT) | (u_int16_t)digits[2]) << PyLong_SHIFT) | (u_int16_t)digits[1]) << PyLong_SHIFT) | (u_int16_t)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (u_int16_t) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(u_int16_t) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(u_int16_t, unsigned long, PyLong_AsUnsignedLong(x))
            } else if (sizeof(u_int16_t) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(u_int16_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (u_int16_t) 0;
                case -1: __PYX_VERIFY_RETURN_INT(u_int16_t, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(u_int16_t,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(u_int16_t) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int16_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int16_t) - 1 > 2 * PyLong_SHIFT) {
                            return (u_int16_t) (((u_int16_t)-1)*(((((u_int16_t)digits[1]) << PyLong_SHIFT) | (u_int16_t)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(u_int16_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int16_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int16_t) - 1 > 2 * PyLong_SHIFT) {
                            return (u_int16_t) ((((((u_int16_t)digits[1]) << PyLong_SHIFT) | (u_int16_t)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(u_int16_t) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int16_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int16_t) - 1 > 3 * PyLong_SHIFT) {
                            return (u_int16_t) (((u_int16_t)-1)*(((((((u_int16_t)digits[2]) << PyLong_SHIFT) | (u_int16_t)digits[1]) << PyLong_SHIFT) | (u_int16_t)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(u_int16_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int16_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int16_t) - 1 > 3 * PyLong_SHIFT) {
                            return (u_int16_t) ((((((((u_int16_t)digits[2]) << PyLong_SHIFT) | (u_int16_t)digits[1]) << PyLong_SHIFT) | (u_int16_t)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(u_int16_t) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int16_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int16_t) - 1 > 4 * PyLong_SHIFT) {
                            return (u_int16_t) (((u_int16_t)-1)*(((((((((u_int16_t)digits[3]) << PyLong_SHIFT) | (u_int16_t)digits[2]) << PyLong_SHIFT) | (u_int16_t)digits[1]) << PyLong_SHIFT) | (u_int16_t)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(u_int16_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(u_int16_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(u_int16_t) - 1 > 4 * PyLong_SHIFT) {
                            return (u_int16_t) ((((((((((u_int16_t)digits[3]) << PyLong_SHIFT) | (u_int16_t)digits[2]) << PyLong_SHIFT) | (u_int16_t)digits[1]) << PyLong_SHIFT) | (u_int16_t)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(u_int16_t) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(u_int16_t, long, PyLong_AsLong(x))
            } else if (sizeof(u_int16_t) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(u_int16_t, PY_LONG_LONG, PyLong_AsLongLong(x))
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            u_int16_t val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (u_int16_t) -1;
        }
    } else {
        u_int16_t val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (u_int16_t) -1;
        val = __Pyx_PyInt_As_u_int16_t(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to u_int16_t");
    return (u_int16_t) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to u_int16_t");
    return (u_int16_t) -1;
}

/* CIntToPy */
        static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
    const long neg_one = (long) -1, const_zero = (long) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(long) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(long) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
        } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
        }
    } else {
        if (sizeof(long) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(long),
                                     little, !is_unsigned);
    }
}

/* CIntFromPy */
        static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
    const long neg_one = (long) -1, const_zero = (long) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(long) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (long) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (long) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(long) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
            } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                            return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                            return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                            return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(long) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
            } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            long val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (long) -1;
        }
    } else {
        long val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (long) -1;
        val = __Pyx_PyInt_As_long(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to long");
    return (long) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to long");
    return (long) -1;
}

/* CheckBinaryVersion */
        static int __Pyx_check_binary_version(void) {
    char ctversion[4], rtversion[4];
    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
        char message[200];
        PyOS_snprintf(message, sizeof(message),
                      "compiletime version %s of module '%.100s' "
                      "does not match runtime version %s",
                      ctversion, __Pyx_MODULE_NAME, rtversion);
        return PyErr_WarnEx(NULL, message, 1);
    }
    return 0;
}

/* InitStrings */
        static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
    while (t->p) {
        #if PY_MAJOR_VERSION < 3
        if (t->is_unicode) {
            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
        } else if (t->intern) {
            *t->p = PyString_InternFromString(t->s);
        } else {
            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
        }
        #else
        if (t->is_unicode | t->is_str) {
            if (t->intern) {
                *t->p = PyUnicode_InternFromString(t->s);
            } else if (t->encoding) {
                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
            } else {
                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
            }
        } else {
            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
        }
        #endif
        if (!*t->p)
            return -1;
        ++t;
    }
    return 0;
}

static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
}
static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
    Py_ssize_t ignore;
    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
}
static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
#if CYTHON_COMPILING_IN_CPYTHON && (__PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT)
    if (
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
            __Pyx_sys_getdefaultencoding_not_ascii &&
#endif
            PyUnicode_Check(o)) {
#if PY_VERSION_HEX < 0x03030000
        char* defenc_c;
        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
        if (!defenc) return NULL;
        defenc_c = PyBytes_AS_STRING(defenc);
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
        {
            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
            char* c;
            for (c = defenc_c; c < end; c++) {
                if ((unsigned char) (*c) >= 128) {
                    PyUnicode_AsASCIIString(o);
                    return NULL;
                }
            }
        }
#endif
        *length = PyBytes_GET_SIZE(defenc);
        return defenc_c;
#else
        if (__Pyx_PyUnicode_READY(o) == -1) return NULL;
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
        if (PyUnicode_IS_ASCII(o)) {
            *length = PyUnicode_GET_LENGTH(o);
            return PyUnicode_AsUTF8(o);
        } else {
            PyUnicode_AsASCIIString(o);
            return NULL;
        }
#else
        return PyUnicode_AsUTF8AndSize(o, length);
#endif
#endif
    } else
#endif
#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
    if (PyByteArray_Check(o)) {
        *length = PyByteArray_GET_SIZE(o);
        return PyByteArray_AS_STRING(o);
    } else
#endif
    {
        char* result;
        int r = PyBytes_AsStringAndSize(o, &result, length);
        if (unlikely(r < 0)) {
            return NULL;
        } else {
            return result;
        }
    }
}
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
   int is_true = x == Py_True;
   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
   else return PyObject_IsTrue(x);
}
static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
  PyNumberMethods *m;
  const char *name = NULL;
  PyObject *res = NULL;
#if PY_MAJOR_VERSION < 3
  if (PyInt_Check(x) || PyLong_Check(x))
#else
  if (PyLong_Check(x))
#endif
    return __Pyx_NewRef(x);
  m = Py_TYPE(x)->tp_as_number;
#if PY_MAJOR_VERSION < 3
  if (m && m->nb_int) {
    name = "int";
    res = PyNumber_Int(x);
  }
  else if (m && m->nb_long) {
    name = "long";
    res = PyNumber_Long(x);
  }
#else
  if (m && m->nb_int) {
    name = "int";
    res = PyNumber_Long(x);
  }
#endif
  if (res) {
#if PY_MAJOR_VERSION < 3
    if (!PyInt_Check(res) && !PyLong_Check(res)) {
#else
    if (!PyLong_Check(res)) {
#endif
      PyErr_Format(PyExc_TypeError,
                   "__%.4s__ returned non-%.4s (type %.200s)",
                   name, name, Py_TYPE(res)->tp_name);
      Py_DECREF(res);
      return NULL;
    }
  }
  else if (!PyErr_Occurred()) {
    PyErr_SetString(PyExc_TypeError,
                    "an integer is required");
  }
  return res;
}
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
  Py_ssize_t ival;
  PyObject *x;
#if PY_MAJOR_VERSION < 3
  if (likely(PyInt_CheckExact(b))) {
    if (sizeof(Py_ssize_t) >= sizeof(long))
        return PyInt_AS_LONG(b);
    else
        return PyInt_AsSsize_t(x);
  }
#endif
  if (likely(PyLong_CheckExact(b))) {
    #if CYTHON_USE_PYLONG_INTERNALS
    const digit* digits = ((PyLongObject*)b)->ob_digit;
    const Py_ssize_t size = Py_SIZE(b);
    if (likely(__Pyx_sst_abs(size) <= 1)) {
        ival = likely(size) ? digits[0] : 0;
        if (size == -1) ival = -ival;
        return ival;
    } else {
      switch (size) {
         case 2:
           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -2:
           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case 3:
           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -3:
           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case 4:
           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -4:
           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
      }
    }
    #endif
    return PyLong_AsSsize_t(b);
  }
  x = PyNumber_Index(b);
  if (!x) return -1;
  ival = PyInt_AsSsize_t(x);
  Py_DECREF(x);
  return ival;
}
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
    return PyInt_FromSize_t(ival);
}


#endif /* Py_PYTHON_H */