libpcap中中定義的函數

char	*pcap_lookupdev(char *);
int	pcap_lookupnet(const char *, bpf_u_int32 *, bpf_u_int32 *, char *);

pcap_t	*pcap_create(const char *, char *);
int	pcap_set_snaplen(pcap_t *, int);
int	pcap_set_promisc(pcap_t *, int);
int	pcap_can_set_rfmon(pcap_t *);
int	pcap_set_rfmon(pcap_t *, int);
int	pcap_set_timeout(pcap_t *, int);
int	pcap_set_buffer_size(pcap_t *, int);
int	pcap_activate(pcap_t *);

pcap_t	*pcap_open_live(const char *, int, int, int, char *);
pcap_t	*pcap_open_dead(int, int);
pcap_t	*pcap_open_offline(const char *, char *);
#if defined(WIN32)
pcap_t  *pcap_hopen_offline(intptr_t, char *);
#if !defined(LIBPCAP_EXPORTS)
#define pcap_fopen_offline(f,b) \
	pcap_hopen_offline(_get_osfhandle(_fileno(f)), b)
#else /*LIBPCAP_EXPORTS*/
static pcap_t *pcap_fopen_offline(FILE *, char *);
#endif
#else /*WIN32*/
pcap_t	*pcap_fopen_offline(FILE *, char *);
#endif /*WIN32*/

void	pcap_close(pcap_t *);
int	pcap_loop(pcap_t *, int, pcap_handler, u_char *);
int	pcap_dispatch(pcap_t *, int, pcap_handler, u_char *);
const u_char*
	pcap_next(pcap_t *, struct pcap_pkthdr *);
int 	pcap_next_ex(pcap_t *, struct pcap_pkthdr **, const u_char **);
void	pcap_breakloop(pcap_t *);
int	pcap_stats(pcap_t *, struct pcap_stat *);
int	pcap_setfilter(pcap_t *, struct bpf_program *);
int 	pcap_setdirection(pcap_t *, pcap_direction_t);
int	pcap_getnonblock(pcap_t *, char *);
int	pcap_setnonblock(pcap_t *, int, char *);
int	pcap_inject(pcap_t *, const void *, size_t);
int	pcap_sendpacket(pcap_t *, const u_char *, int);
const char *pcap_statustostr(int);
const char *pcap_strerror(int);
char	*pcap_geterr(pcap_t *);
void	pcap_perror(pcap_t *, char *);
int	pcap_compile(pcap_t *, struct bpf_program *, const char *, int,
	    bpf_u_int32);
int	pcap_compile_nopcap(int, int, struct bpf_program *,
	    const char *, int, bpf_u_int32);
void	pcap_freecode(struct bpf_program *);
int	pcap_offline_filter(struct bpf_program *, const struct pcap_pkthdr *,
	    const u_char *);
int	pcap_datalink(pcap_t *);
int	pcap_datalink_ext(pcap_t *);
int	pcap_list_datalinks(pcap_t *, int **);
int	pcap_set_datalink(pcap_t *, int);
void	pcap_free_datalinks(int *);
int	pcap_datalink_name_to_val(const char *);
const char *pcap_datalink_val_to_name(int);
const char *pcap_datalink_val_to_description(int);
int	pcap_snapshot(pcap_t *);
int	pcap_is_swapped(pcap_t *);
int	pcap_major_version(pcap_t *);
int	pcap_minor_version(pcap_t *);

/* XXX */
FILE	*pcap_file(pcap_t *);
int	pcap_fileno(pcap_t *);

pcap_dumper_t *pcap_dump_open(pcap_t *, const char *);
pcap_dumper_t *pcap_dump_fopen(pcap_t *, FILE *fp);
FILE	*pcap_dump_file(pcap_dumper_t *);
long	pcap_dump_ftell(pcap_dumper_t *);
int	pcap_dump_flush(pcap_dumper_t *);
void	pcap_dump_close(pcap_dumper_t *);
void	pcap_dump(u_char *, const struct pcap_pkthdr *, const u_char *);

int	pcap_findalldevs(pcap_if_t **, char *);
void	pcap_freealldevs(pcap_if_t *);

const char *pcap_lib_version(void);

/* XXX this guy lives in the bpf tree */
u_int	bpf_filter(const struct bpf_insn *, const u_char *, u_int, u_int);
int	bpf_validate(const struct bpf_insn *f, int len);
char	*bpf_image(const struct bpf_insn *, int);
void	bpf_dump(const struct bpf_program *, int);

#if defined(WIN32)

/*
 * Win32 definitions
 */

int pcap_setbuff(pcap_t *p, int dim);
int pcap_setmode(pcap_t *p, int mode);
int pcap_setmintocopy(pcap_t *p, int size);

#ifdef WPCAP