section 3pcap · Library functions 📚

P

• 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_description(3pcap)get a name or description for a link-layer header type value✨
• pcap_datalink_val_to_description_or_dlt(3pcap)get a name or description for a link-layer header type value✨
• pcap_datalink_val_to_name(3pcap)get a name or description for a link-layer header type value✨
• pcap_dispatch(3pcap)process packets from a live capture or savefile✨
• 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_fopen(3pcap)open a file to which to write packets✨
• pcap_dump_ftell(3pcap)get the current file offset for a savefile being written✨
• pcap_dump_open(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)get a list of capture devices, and free that list✨
• pcap_fopen_offline(3pcap)open a saved capture file for reading✨
• pcap_fopen_offline_with_tstamp_precision(3pcap)open a saved capture file for reading✨
• pcap_free_datalinks(3pcap)get a list of link-layer header types supported by a capture device, and free that list✨
• pcap_free_tstamp_types(3pcap)get a list of time stamp types supported by a capture device, and free that list✨
• 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)get or print libpcap error message text✨
• pcap_getnonblock(3pcap)set or get the state of non- blocking mode on a capture device✨
• pcap_init(3pcap)initialize the library✨
• pcap_inject(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)get a list of link-layer header types supported by a capture device, and free that list✨
• pcap_list_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)process packets from a live capture or savefile✨
• pcap_major_version(3pcap)get the version number of a savefile✨
• pcap_minor_version(3pcap)get the version number of a savefile✨
• pcap_next(3pcap)read the next packet from a pcap_t✨
• pcap_next_ex(3pcap)read the next packet from a pcap_t✨
• pcap_offline_filter(3pcap)check whether a filter matches a packet✨
• pcap_open_dead(3pcap)open a fake pcap_t for compiling filters or opening a capture for output✨
• 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)open a saved capture file for reading✨
• pcap_open_offline_with_tstamp_precision(3pcap)open a saved capture file for reading✨
• pcap_perror(3pcap)get or print libpcap error message text✨
• pcap_sendpacket(3pcap)transmit a packet✨
• 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)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_description(3pcap)get a name or description for a time stamp type value✨
• pcap_tstamp_type_val_to_name(3pcap)get a name or description for a time stamp type value✨