The Tcpdump Group git mirrors - libpcap/blob - pcap/pcap.h

   1 /* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */
   2 /*
   3  * Copyright (c) 1993, 1994, 1995, 1996, 1997
   4  *      The Regents of the University of California.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by the Computer Systems
  17  *      Engineering Group at Lawrence Berkeley Laboratory.
  18  * 4. Neither the name of the University nor of the Laboratory may be used
  19  *    to endorse or promote products derived from this software without
  20  *    specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #ifndef lib_pcap_pcap_h
  36 #define lib_pcap_pcap_h
  37
  38 #if defined(_WIN32)
  39   #include <pcap-stdinc.h>
  40 #elif defined(MSDOS)
  41   #include <sys/types.h>
  42   #include <sys/socket.h>  /* u_int, u_char etc. */
  43 #else /* UN*X */
  44   #include <sys/types.h>
  45   #include <sys/time.h>
  46 #endif /* _WIN32/MSDOS/UN*X */
  47
  48 #ifndef PCAP_DONT_INCLUDE_PCAP_BPF_H
  49 #include <pcap/bpf.h>
  50 #endif
  51
  52 #include <stdio.h>
  53
  54 #ifdef __cplusplus
  55 extern "C" {
  56 #endif
  57
  58 /*
  59  * Version number of the current version of the pcap file format.
  60  *
  61  * NOTE: this is *NOT* the version number of the libpcap library.
  62  * To fetch the version information for the version of libpcap
  63  * you're using, use pcap_lib_version().
  64  */
  65 #define PCAP_VERSION_MAJOR 2
  66 #define PCAP_VERSION_MINOR 4
  67
  68 #define PCAP_ERRBUF_SIZE 256
  69
  70 /*
  71  * Compatibility for systems that have a bpf.h that
  72  * predates the bpf typedefs for 64-bit support.
  73  */
  74 #if BPF_RELEASE - 0 < 199406
  75 typedef int bpf_int32;
  76 typedef u_int bpf_u_int32;
  77 #endif
  78
  79 typedef struct pcap pcap_t;
  80 typedef struct pcap_dumper pcap_dumper_t;
  81 typedef struct pcap_if pcap_if_t;
  82 typedef struct pcap_addr pcap_addr_t;
  83
  84 /*
  85  * The first record in the file contains saved values for some
  86  * of the flags used in the printout phases of tcpdump.
  87  * Many fields here are 32 bit ints so compilers won't insert unwanted
  88  * padding; these files need to be interchangeable across architectures.
  89  *
  90  * Do not change the layout of this structure, in any way (this includes
  91  * changes that only affect the length of fields in this structure).
  92  *
  93  * Also, do not change the interpretation of any of the members of this
  94  * structure, in any way (this includes using values other than
  95  * LINKTYPE_ values, as defined in "savefile.c", in the "linktype"
  96  * field).
  97  *
  98  * Instead:
  99  *
 100  *      introduce a new structure for the new format, if the layout
 101  *      of the structure changed;
 102  *
 103  *      send mail to "tcpdump-workers@lists.tcpdump.org", requesting
 104  *      a new magic number for your new capture file format, and, when
 105  *      you get the new magic number, put it in "savefile.c";
 106  *
 107  *      use that magic number for save files with the changed file
 108  *      header;
 109  *
 110  *      make the code in "savefile.c" capable of reading files with
 111  *      the old file header as well as files with the new file header
 112  *      (using the magic number to determine the header format).
 113  *
 114  * Then supply the changes by forking the branch at
 115  *
 116  *      https://github.com/the-tcpdump-group/libpcap/issues
 117  *
 118  * and issuing a pull request, so that future versions of libpcap and
 119  * programs that use it (such as tcpdump) will be able to read your new
 120  * capture file format.
 121  */
 122 struct pcap_file_header {
 123         bpf_u_int32 magic;
 124         u_short version_major;
 125         u_short version_minor;
 126         bpf_int32 thiszone;     /* gmt to local correction */
 127         bpf_u_int32 sigfigs;    /* accuracy of timestamps */
 128         bpf_u_int32 snaplen;    /* max length saved portion of each pkt */
 129         bpf_u_int32 linktype;   /* data link type (LINKTYPE_*) */
 130 };
 131
 132 /*
 133  * Macros for the value returned by pcap_datalink_ext().
 134  *
 135  * If LT_FCS_LENGTH_PRESENT(x) is true, the LT_FCS_LENGTH(x) macro
 136  * gives the FCS length of packets in the capture.
 137  */
 138 #define LT_FCS_LENGTH_PRESENT(x)        ((x) & 0x04000000)
 139 #define LT_FCS_LENGTH(x)                (((x) & 0xF0000000) >> 28)
 140 #define LT_FCS_DATALINK_EXT(x)          ((((x) & 0xF) << 28) | 0x04000000)
 141
 142 typedef enum {
 143        PCAP_D_INOUT = 0,
 144        PCAP_D_IN,
 145        PCAP_D_OUT
 146 } pcap_direction_t;
 147
 148 /*
 149  * Generic per-packet information, as supplied by libpcap.
 150  *
 151  * The time stamp can and should be a "struct timeval", regardless of
 152  * whether your system supports 32-bit tv_sec in "struct timeval",
 153  * 64-bit tv_sec in "struct timeval", or both if it supports both 32-bit
 154  * and 64-bit applications.  The on-disk format of savefiles uses 32-bit
 155  * tv_sec (and tv_usec); this structure is irrelevant to that.  32-bit
 156  * and 64-bit versions of libpcap, even if they're on the same platform,
 157  * should supply the appropriate version of "struct timeval", even if
 158  * that's not what the underlying packet capture mechanism supplies.
 159  */
 160 struct pcap_pkthdr {
 161         struct timeval ts;      /* time stamp */
 162         bpf_u_int32 caplen;     /* length of portion present */
 163         bpf_u_int32 len;        /* length this packet (off wire) */
 164 };
 165
 166 /*
 167  * As returned by the pcap_stats()
 168  */
 169 struct pcap_stat {
 170         u_int ps_recv;          /* number of packets received */
 171         u_int ps_drop;          /* number of packets dropped */
 172         u_int ps_ifdrop;        /* drops by interface -- only supported on some platforms */
 173 #if defined(_WIN32) && defined(HAVE_REMOTE)
 174         u_int ps_capt;          /* number of packets that reach the application */
 175         u_int ps_sent;          /* number of packets sent by the server on the network */
 176         u_int ps_netdrop;       /* number of packets lost on the network */
 177 #endif /* _WIN32 && HAVE_REMOTE */
 178 };
 179
 180 #ifdef MSDOS
 181 /*
 182  * As returned by the pcap_stats_ex()
 183  */
 184 struct pcap_stat_ex {
 185        u_long  rx_packets;        /* total packets received       */
 186        u_long  tx_packets;        /* total packets transmitted    */
 187        u_long  rx_bytes;          /* total bytes received         */
 188        u_long  tx_bytes;          /* total bytes transmitted      */
 189        u_long  rx_errors;         /* bad packets received         */
 190        u_long  tx_errors;         /* packet transmit problems     */
 191        u_long  rx_dropped;        /* no space in Rx buffers       */
 192        u_long  tx_dropped;        /* no space available for Tx    */
 193        u_long  multicast;         /* multicast packets received   */
 194        u_long  collisions;
 195
 196        /* detailed rx_errors: */
 197        u_long  rx_length_errors;
 198        u_long  rx_over_errors;    /* receiver ring buff overflow  */
 199        u_long  rx_crc_errors;     /* recv'd pkt with crc error    */
 200        u_long  rx_frame_errors;   /* recv'd frame alignment error */
 201        u_long  rx_fifo_errors;    /* recv'r fifo overrun          */
 202        u_long  rx_missed_errors;  /* recv'r missed packet         */
 203
 204        /* detailed tx_errors */
 205        u_long  tx_aborted_errors;
 206        u_long  tx_carrier_errors;
 207        u_long  tx_fifo_errors;
 208        u_long  tx_heartbeat_errors;
 209        u_long  tx_window_errors;
 210      };
 211 #endif
 212
 213 /*
 214  * Item in a list of interfaces.
 215  */
 216 struct pcap_if {
 217         struct pcap_if *next;
 218         char *name;             /* name to hand to "pcap_open_live()" */
 219         char *description;      /* textual description of interface, or NULL */
 220         struct pcap_addr *addresses;
 221         bpf_u_int32 flags;      /* PCAP_IF_ interface flags */
 222 };
 223
 224 #define PCAP_IF_LOOPBACK        0x00000001      /* interface is loopback */
 225 #define PCAP_IF_UP              0x00000002      /* interface is up */
 226 #define PCAP_IF_RUNNING         0x00000004      /* interface is running */
 227
 228 /*
 229  * Representation of an interface address.
 230  */
 231 struct pcap_addr {
 232         struct pcap_addr *next;
 233         struct sockaddr *addr;          /* address */
 234         struct sockaddr *netmask;       /* netmask for that address */
 235         struct sockaddr *broadaddr;     /* broadcast address for that address */
 236         struct sockaddr *dstaddr;       /* P2P destination address for that address */
 237 };
 238
 239 typedef void (*pcap_handler)(u_char *, const struct pcap_pkthdr *,
 240                              const u_char *);
 241
 242 /*
 243  * Error codes for the pcap API.
 244  * These will all be negative, so you can check for the success or
 245  * failure of a call that returns these codes by checking for a
 246  * negative value.
 247  */
 248 #define PCAP_ERROR                      -1      /* generic error code */
 249 #define PCAP_ERROR_BREAK                -2      /* loop terminated by pcap_breakloop */
 250 #define PCAP_ERROR_NOT_ACTIVATED        -3      /* the capture needs to be activated */
 251 #define PCAP_ERROR_ACTIVATED            -4      /* the operation can't be performed on already activated captures */
 252 #define PCAP_ERROR_NO_SUCH_DEVICE       -5      /* no such device exists */
 253 #define PCAP_ERROR_RFMON_NOTSUP         -6      /* this device doesn't support rfmon (monitor) mode */
 254 #define PCAP_ERROR_NOT_RFMON            -7      /* operation supported only in monitor mode */
 255 #define PCAP_ERROR_PERM_DENIED          -8      /* no permission to open the device */
 256 #define PCAP_ERROR_IFACE_NOT_UP         -9      /* interface isn't up */
 257 #define PCAP_ERROR_CANTSET_TSTAMP_TYPE  -10     /* this device doesn't support setting the time stamp type */
 258 #define PCAP_ERROR_PROMISC_PERM_DENIED  -11     /* you don't have permission to capture in promiscuous mode */
 259 #define PCAP_ERROR_TSTAMP_PRECISION_NOTSUP -12  /* the requested time stamp precision is not supported */
 260
 261 /*
 262  * Warning codes for the pcap API.
 263  * These will all be positive and non-zero, so they won't look like
 264  * errors.
 265  */
 266 #define PCAP_WARNING                    1       /* generic warning code */
 267 #define PCAP_WARNING_PROMISC_NOTSUP     2       /* this device doesn't support promiscuous mode */
 268 #define PCAP_WARNING_TSTAMP_TYPE_NOTSUP 3       /* the requested time stamp type is not supported */
 269
 270 /*
 271  * Value to pass to pcap_compile() as the netmask if you don't know what
 272  * the netmask is.
 273  */
 274 #define PCAP_NETMASK_UNKNOWN    0xffffffff
 275
 276 char    *pcap_lookupdev(char *);
 277 int     pcap_lookupnet(const char *, bpf_u_int32 *, bpf_u_int32 *, char *);
 278
 279 pcap_t  *pcap_create(const char *, char *);
 280 int     pcap_set_snaplen(pcap_t *, int);
 281 int     pcap_set_promisc(pcap_t *, int);
 282 int     pcap_can_set_rfmon(pcap_t *);
 283 int     pcap_set_rfmon(pcap_t *, int);
 284 int     pcap_set_timeout(pcap_t *, int);
 285 int     pcap_set_tstamp_type(pcap_t *, int);
 286 int     pcap_set_immediate_mode(pcap_t *, int);
 287 int     pcap_set_buffer_size(pcap_t *, int);
 288 int     pcap_set_tstamp_precision(pcap_t *, int);
 289 int     pcap_get_tstamp_precision(pcap_t *);
 290 int     pcap_activate(pcap_t *);
 291
 292 int     pcap_list_tstamp_types(pcap_t *, int **);
 293 void    pcap_free_tstamp_types(int *);
 294 int     pcap_tstamp_type_name_to_val(const char *);
 295 const char *pcap_tstamp_type_val_to_name(int);
 296 const char *pcap_tstamp_type_val_to_description(int);
 297
 298 /*
 299  * Time stamp types.
 300  * Not all systems and interfaces will necessarily support all of these.
 301  *
 302  * A system that supports PCAP_TSTAMP_HOST is offering time stamps
 303  * provided by the host machine, rather than by the capture device,
 304  * but not committing to any characteristics of the time stamp;
 305  * it will not offer any of the PCAP_TSTAMP_HOST_ subtypes.
 306  *
 307  * PCAP_TSTAMP_HOST_LOWPREC is a time stamp, provided by the host machine,
 308  * that's low-precision but relatively cheap to fetch; it's normally done
 309  * using the system clock, so it's normally synchronized with times you'd
 310  * fetch from system calls.
 311  *
 312  * PCAP_TSTAMP_HOST_HIPREC is a time stamp, provided by the host machine,
 313  * that's high-precision; it might be more expensive to fetch.  It might
 314  * or might not be synchronized with the system clock, and might have
 315  * problems with time stamps for packets received on different CPUs,
 316  * depending on the platform.
 317  *
 318  * PCAP_TSTAMP_ADAPTER is a high-precision time stamp supplied by the
 319  * capture device; it's synchronized with the system clock.
 320  *
 321  * PCAP_TSTAMP_ADAPTER_UNSYNCED is a high-precision time stamp supplied by
 322  * the capture device; it's not synchronized with the system clock.
 323  *
 324  * Note that time stamps synchronized with the system clock can go
 325  * backwards, as the system clock can go backwards.  If a clock is
 326  * not in sync with the system clock, that could be because the
 327  * system clock isn't keeping accurate time, because the other
 328  * clock isn't keeping accurate time, or both.
 329  *
 330  * Note that host-provided time stamps generally correspond to the
 331  * time when the time-stamping code sees the packet; this could
 332  * be some unknown amount of time after the first or last bit of
 333  * the packet is received by the network adapter, due to batching
 334  * of interrupts for packet arrival, queueing delays, etc..
 335  */
 336 #define PCAP_TSTAMP_HOST                0       /* host-provided, unknown characteristics */
 337 #define PCAP_TSTAMP_HOST_LOWPREC        1       /* host-provided, low precision */
 338 #define PCAP_TSTAMP_HOST_HIPREC         2       /* host-provided, high precision */
 339 #define PCAP_TSTAMP_ADAPTER             3       /* device-provided, synced with the system clock */
 340 #define PCAP_TSTAMP_ADAPTER_UNSYNCED    4       /* device-provided, not synced with the system clock */
 341
 342 /*
 343  * Time stamp resolution types.
 344  * Not all systems and interfaces will necessarily support all of these
 345  * resolutions when doing live captures; all of them can be requested
 346  * when reading a savefile.
 347  */
 348 #define PCAP_TSTAMP_PRECISION_MICRO     0       /* use timestamps with microsecond precision, default */
 349 #define PCAP_TSTAMP_PRECISION_NANO      1       /* use timestamps with nanosecond precision */
 350
 351 pcap_t  *pcap_open_live(const char *, int, int, int, char *);
 352 pcap_t  *pcap_open_dead(int, int);
 353 pcap_t  *pcap_open_dead_with_tstamp_precision(int, int, u_int);
 354 pcap_t  *pcap_open_offline_with_tstamp_precision(const char *, u_int, char *);
 355 pcap_t  *pcap_open_offline(const char *, char *);
 356 #if defined(_WIN32)
 357 pcap_t  *pcap_hopen_offline_with_tstamp_precision(intptr_t, u_int, char *);
 358 pcap_t  *pcap_hopen_offline(intptr_t, char *);
 359 #if !defined(LIBPCAP_EXPORTS)
 360 #define pcap_fopen_offline_with_tstamp_precision(f,p,b) \
 361         pcap_hopen_offline_with_tstamp_precision(_get_osfhandle(_fileno(f)), p, b)
 362 #define pcap_fopen_offline(f,b) \
 363         pcap_hopen_offline(_get_osfhandle(_fileno(f)), b)
 364 #else /*LIBPCAP_EXPORTS*/
 365 static pcap_t *pcap_fopen_offline_with_tstamp_precision(FILE *, u_int, char *);
 366 static pcap_t *pcap_fopen_offline(FILE *, char *);
 367 #endif
 368 #else /*_WIN32*/
 369 pcap_t  *pcap_fopen_offline_with_tstamp_precision(FILE *, u_int, char *);
 370 pcap_t  *pcap_fopen_offline(FILE *, char *);
 371 #endif /*_WIN32*/
 372
 373 void    pcap_close(pcap_t *);
 374 int     pcap_loop(pcap_t *, int, pcap_handler, u_char *);
 375 int     pcap_dispatch(pcap_t *, int, pcap_handler, u_char *);
 376 const u_char*
 377         pcap_next(pcap_t *, struct pcap_pkthdr *);
 378 int     pcap_next_ex(pcap_t *, struct pcap_pkthdr **, const u_char **);
 379 void    pcap_breakloop(pcap_t *);
 380 int     pcap_stats(pcap_t *, struct pcap_stat *);
 381 int     pcap_setfilter(pcap_t *, struct bpf_program *);
 382 int     pcap_setdirection(pcap_t *, pcap_direction_t);
 383 int     pcap_getnonblock(pcap_t *, char *);
 384 int     pcap_setnonblock(pcap_t *, int, char *);
 385 int     pcap_inject(pcap_t *, const void *, size_t);
 386 int     pcap_sendpacket(pcap_t *, const u_char *, int);
 387 const char *pcap_statustostr(int);
 388 const char *pcap_strerror(int);
 389 char    *pcap_geterr(pcap_t *);
 390 void    pcap_perror(pcap_t *, char *);
 391 int     pcap_compile(pcap_t *, struct bpf_program *, const char *, int,
 392             bpf_u_int32);
 393 int     pcap_compile_nopcap(int, int, struct bpf_program *,
 394             const char *, int, bpf_u_int32);
 395 void    pcap_freecode(struct bpf_program *);
 396 int     pcap_offline_filter(const struct bpf_program *,
 397             const struct pcap_pkthdr *, const u_char *);
 398 int     pcap_datalink(pcap_t *);
 399 int     pcap_datalink_ext(pcap_t *);
 400 int     pcap_list_datalinks(pcap_t *, int **);
 401 int     pcap_set_datalink(pcap_t *, int);
 402 void    pcap_free_datalinks(int *);
 403 int     pcap_datalink_name_to_val(const char *);
 404 const char *pcap_datalink_val_to_name(int);
 405 const char *pcap_datalink_val_to_description(int);
 406 int     pcap_snapshot(pcap_t *);
 407 int     pcap_is_swapped(pcap_t *);
 408 int     pcap_major_version(pcap_t *);
 409 int     pcap_minor_version(pcap_t *);
 410
 411 /* XXX */
 412 FILE    *pcap_file(pcap_t *);
 413 int     pcap_fileno(pcap_t *);
 414
 415 #ifdef _WIN32
 416 int     pcap_wsockinit(void);
 417 #endif
 418
 419 pcap_dumper_t *pcap_dump_open(pcap_t *, const char *);
 420 pcap_dumper_t *pcap_dump_fopen(pcap_t *, FILE *fp);
 421 pcap_dumper_t *pcap_dump_open_append(pcap_t *, const char *);
 422 FILE    *pcap_dump_file(pcap_dumper_t *);
 423 long    pcap_dump_ftell(pcap_dumper_t *);
 424 int     pcap_dump_flush(pcap_dumper_t *);
 425 void    pcap_dump_close(pcap_dumper_t *);
 426 void    pcap_dump(u_char *, const struct pcap_pkthdr *, const u_char *);
 427
 428 int     pcap_findalldevs(pcap_if_t **, char *);
 429 void    pcap_freealldevs(pcap_if_t *);
 430
 431 const char *pcap_lib_version(void);
 432
 433 /*
 434  * On at least some versions of NetBSD and QNX, we don't want to declare
 435  * bpf_filter() here, as it's also be declared in <net/bpf.h>, with a
 436  * different signature, but, on other BSD-flavored UN*Xes, it's not
 437  * declared in <net/bpf.h>, so we *do* want to declare it here, so it's
 438  * declared when we build pcap-bpf.c.
 439  */
 440 #if !defined(__NetBSD__) && !defined(__QNX__)
 441 u_int   bpf_filter(const struct bpf_insn *, const u_char *, u_int, u_int);
 442 #endif
 443 int     bpf_validate(const struct bpf_insn *f, int len);
 444 char    *bpf_image(const struct bpf_insn *, int);
 445 void    bpf_dump(const struct bpf_program *, int);
 446
 447 #if defined(_WIN32)
 448
 449 /*
 450  * Win32 definitions
 451  */
 452
 453 /*!
 454   \brief A queue of raw packets that will be sent to the network with pcap_sendqueue_transmit().
 455 */
 456 struct pcap_send_queue
 457 {
 458         u_int maxlen;   /* Maximum size of the the queue, in bytes. This
 459                            variable contains the size of the buffer field. */
 460         u_int len;      /* Current size of the queue, in bytes. */
 461         char *buffer;   /* Buffer containing the packets to be sent. */
 462 };
 463
 464 typedef struct pcap_send_queue pcap_send_queue;
 465
 466 /*!
 467   \brief This typedef is a support for the pcap_get_airpcap_handle() function
 468 */
 469 #if !defined(AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_)
 470 #define AIRPCAP_HANDLE__EAE405F5_0171_9592_B3C2_C19EC426AD34__DEFINED_
 471 typedef struct _AirpcapHandle *PAirpcapHandle;
 472 #endif
 473
 474 int pcap_setbuff(pcap_t *p, int dim);
 475 int pcap_setmode(pcap_t *p, int mode);
 476 int pcap_setmintocopy(pcap_t *p, int size);
 477
 478 HANDLE pcap_getevent(pcap_t *p);
 479
 480 int pcap_oid_get_request(pcap_t *, bpf_u_int32, void *, size_t);
 481 int pcap_oid_set_request(pcap_t *, bpf_u_int32, const void *, size_t);
 482
 483 pcap_send_queue* pcap_sendqueue_alloc(u_int memsize);
 484
 485 void pcap_sendqueue_destroy(pcap_send_queue* queue);
 486
 487 int pcap_sendqueue_queue(pcap_send_queue* queue, const struct pcap_pkthdr *pkt_header, const u_char *pkt_data);
 488
 489 u_int pcap_sendqueue_transmit(pcap_t *p, pcap_send_queue* queue, int sync);
 490
 491 struct pcap_stat *pcap_stats_ex(pcap_t *p, int *pcap_stat_size);
 492
 493 int pcap_setuserbuffer(pcap_t *p, int size);
 494
 495 int pcap_live_dump(pcap_t *p, char *filename, int maxsize, int maxpacks);
 496
 497 int pcap_live_dump_ended(pcap_t *p, int sync);
 498
 499 int pcap_start_oem(char* err_str, int flags);
 500
 501 PAirpcapHandle pcap_get_airpcap_handle(pcap_t *p);
 502
 503 #define MODE_CAPT 0
 504 #define MODE_STAT 1
 505 #define MODE_MON 2
 506
 507 #elif defined(MSDOS)
 508
 509 /*
 510  * MS-DOS definitions
 511  */
 512
 513 int  pcap_stats_ex (pcap_t *, struct pcap_stat_ex *);
 514 void pcap_set_wait (pcap_t *p, void (*yield)(void), int wait);
 515 u_long pcap_mac_packets (void);
 516
 517 #else /* UN*X */
 518
 519 /*
 520  * UN*X definitions
 521  */
 522
 523 int     pcap_get_selectable_fd(pcap_t *);
 524
 525 #endif /* _WIN32/MSDOS/UN*X */
 526
 527 #ifdef __cplusplus
 528 }
 529 #endif
 530
 531 #endif /* lib_pcap_pcap_h */