pcap_set_rfmon - set monitor mode for a not-yet-activated capture handle
#include <pcap/pcap.h>
int pcap_set_rfmon(pcap_t *p, int rfmon);
pcap_set_rfmon() sets whether monitor mode should be set on a capture
handle when the handle is activated. If rfmon is non-zero, monitor mode
will be set, otherwise it will not be set.
pcap_set_rfmon() returns 0 on success or PCAP_ERROR_ACTIVATED if
called on a capture handle that has been activated.
pcap(3), pcap_create(3), pcap_activate(3), pcap_can_set_rfmon(3)