PCAP_CAN_SET_RFMON(3pcap)
NAME
pcap_can_set_rfmon - check whether monitor mode can be set for a notyet-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_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 device specified when the handle was created doesn't exist, 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.