monitor display settings

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LEARN ABOUT FREEBSD

pcap_can_set_rfmon

PCAP_CAN_SET_RFMON(3)					     Library Functions Manual					     PCAP_CAN_SET_RFMON(3)

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(3), pcap_create(3), pcap_activate(3), pcap_set_rfmon(3)

								    18 May 2010 					     PCAP_CAN_SET_RFMON(3)

UNIX for Dummies Questions & Answers