pcap_set_snaplen(3pcap) [plan9 man page]

PCAP_SET_SNAPLEN(3PCAP) 												   PCAP_SET_SNAPLEN(3PCAP)

NAME

       pcap_set_snaplen - set the snapshot length for a not-yet-activated capture handle

SYNOPSIS

       #include <pcap/pcap.h>

       int pcap_set_snaplen(pcap_t *p, int snaplen);

DESCRIPTION

       pcap_set_snaplen() sets the snapshot length to be used on a capture handle when the handle is activated to snaplen.

RETURN VALUE

       pcap_set_snaplen() returns 0 on success or PCAP_ERROR_ACTIVATED if called on a capture handle that has been activated.

SEE ALSO

       pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP)

								   5 April 2008 					   PCAP_SET_SNAPLEN(3PCAP)

PCAP_CAN_SET_RFMON(3PCAP)												 PCAP_CAN_SET_RFMON(3PCAP)

NAME

       pcap_can_set_rfmon - check whether monitor mode can be set for a not-yet-activated capture handle

SYNOPSIS

       #include <pcap/pcap.h>

       int pcap_can_set_rfmon(pcap_t *p);

DESCRIPTION

       pcap_can_set_rfmon() checks whether monitor mode could be set on a capture handle when the handle is activated.

RETURN VALUE

       pcap_can_set_rfmon()  returns  0 if monitor mode could not be set, 1 if monitor mode could be set, PCAP_ERROR_NO_SUCH_DEVICE if the capture
       source specified when the handle was created doesn't exist, PCAP_ERROR_PERM_DENIED if the process doesn't have permission to check  whether
       monitor	mode  could  be  supported,  PCAP_ERROR_ACTIVATED if called on a capture handle that has been activated, or PCAP_ERROR if an error
       occurred.  If PCAP_ERROR is returned, pcap_geterr() or pcap_perror() may be called with p as an argument to  fetch  or  display	the  error
       text.

SEE ALSO

       pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP), pcap_set_rfmon(3PCAP)

								    18 May 2010 					 PCAP_CAN_SET_RFMON(3PCAP)