| pcap(3pcap) | Packet Capture library |
| pcap_activate(3pcap) | activate a capture handle |
| pcap_breakloop(3pcap) | force a pcap_dispatch() or pcap_loop() call to return |
| pcap_can_set_rfmon(3pcap) | check whether monitor mode can be set for a not-yet-activated capture handle |
| pcap_close(3pcap) | close a capture device or savefile |
| pcap_compile(3pcap) | compile a filter expression |
| pcap_create(3pcap) | create a live capture handle |
| pcap_datalink(3pcap) | get the link-layer header type |
| pcap_datalink_name_to_val(3pcap) | get the link-layer header type value corresponding to a header type name |
| pcap_datalink_val_to_name(3pcap), pcap_datalink_val_to_description(3pcap), pcap_datalink_val_to_description_or_dlt(3pcap) | get a name or description for a link-layer header type value |
| pcap_dump(3pcap) | write a packet to a capture file |
| pcap_dump_close(3pcap) | close a savefile being written to |
| pcap_dump_file(3pcap) | get the standard I/O stream for a savefile being written |
| pcap_dump_flush(3pcap) | flush to a savefile packets dumped |
| pcap_dump_ftell(3pcap), pcap_dump_ftell64(3pcap) | get the current file offset for a savefile being written |
| pcap_dump_open(3pcap), pcap_dump_open_append(3pcap), pcap_dump_fopen(3pcap) | open a file to which to write packets |
| pcap_file(3pcap) | get the standard I/O stream for a savefile being read |
| pcap_fileno(3pcap) | get the file descriptor for a live capture |
| pcap_findalldevs(3pcap), pcap_freealldevs(3pcap) | get a list of capture devices, and free that list |
| pcap_freecode(3pcap) | free a BPF program |
| pcap_get_required_select_timeout(3pcap) | get a timeout to be used when doing select() for a live capture |
| pcap_get_selectable_fd(3pcap) | get a file descriptor on which a select() can be done for a live capture |
| pcap_get_tstamp_precision(3pcap) | get the time stamp precision returned in captures |
| pcap_geterr(3pcap), pcap_perror(3pcap) | get or print libpcap error message text |
| pcap_init(3pcap) | initialize the library |
| pcap_inject(3pcap), pcap_sendpacket(3pcap) | transmit a packet |
| pcap_is_swapped(3pcap) | find out whether a savefile has the native byte order |
| pcap_lib_version(3pcap) | get the version information for libpcap |
| pcap_list_datalinks(3pcap), pcap_free_datalinks(3pcap) | get a list of link-layer header types supported by a capture device, and free that list |
| pcap_list_tstamp_types(3pcap), pcap_free_tstamp_types(3pcap) | get a list of time stamp types supported by a capture device, and free that list |
| pcap_lookupdev(3pcap) | find the default device on which to capture |
| pcap_lookupnet(3pcap) | find the IPv4 network number and netmask for a device |
| pcap_loop(3pcap), pcap_dispatch(3pcap) | process packets from a live capture or savefile |
| pcap_major_version(3pcap), pcap_minor_version(3pcap) | get the version number of a savefile |
| pcap_next_ex(3pcap), pcap_next(3pcap) | read the next packet from a pcap_t |
| pcap_offline_filter(3pcap) | check whether a filter matches a packet |
| pcap_open_dead(3pcap), pcap_open_dead_with_tstamp_precision(3pcap) | open a fake pcap_t for compiling filters or opening a capture for output |
| pcap_open_live(3pcap) | open a device for capturing |
| pcap_open_offline(3pcap), pcap_open_offline_with_tstamp_precision(3pcap), pcap_fopen_offline(3pcap), pcap_fopen_offline_with_tstamp_precision(3pcap) | open a saved capture file for reading |
| pcap_set_buffer_size(3pcap) | set the buffer size for a not-yet-activated capture handle |
| pcap_set_datalink(3pcap) | set the link-layer header type to be used by a capture device |
| pcap_set_immediate_mode(3pcap) | set immediate mode for a not-yet-activated capture handle |
| pcap_set_promisc(3pcap) | set promiscuous mode for a not-yet-activated capture handle |
| pcap_set_protocol_linux(3pcap) | set capture protocol for a not-yet-activated capture handle |
| pcap_set_rfmon(3pcap) | set monitor mode for a not-yet-activated capture handle |
| pcap_set_snaplen(3pcap) | set the snapshot length for a not-yet-activated capture handle |
| pcap_set_timeout(3pcap) | set the packet buffer timeout for a not-yet-activated capture handle |
| pcap_set_tstamp_precision(3pcap) | set the time stamp precision returned in captures |
| pcap_set_tstamp_type(3pcap) | set the time stamp type to be used by a capture device |
| pcap_setdirection(3pcap) | set the direction for which packets will be captured |
| pcap_setfilter(3pcap) | set the filter |
| pcap_setnonblock(3pcap), pcap_getnonblock(3pcap) | set or get the state of non-blocking mode on a capture device |
| pcap_snapshot(3pcap) | get the snapshot length |
| pcap_stats(3pcap) | get capture statistics |
| pcap_statustostr(3pcap) | convert a PCAP_ERROR_ or PCAP_WARNING_ value to a string |
| pcap_strerror(3pcap) | convert an errno value to a string |
| pcap_tstamp_type_name_to_val(3pcap) | get the time stamp type value corresponding to a time stamp type name |
| pcap_tstamp_type_val_to_name(3pcap), pcap_tstamp_type_val_to_description(3pcap) | get a name or description for a time stamp type value |