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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)