pcap_can_set_rfmon(3) - NetBSD Manual Pages

Command: Section: Arch: Collection:  
PCAP_CAN_SET_RFMON(3)                                    PCAP_CAN_SET_RFMON(3)

pcap_can_set_rfmon - check whether monitor mode can be set for a not- yet-activated capture handle
#include <pcap/pcap.h> int pcap_can_set_rfmon(pcap_t *p);
pcap_can_set_rfmon() checks whether monitor mode could be set on a cap- ture handle when the handle is activated.
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.
pcap(3), pcap_create(3), pcap_activate(3), pcap_set_rfmon(3) 18 May 2010 PCAP_CAN_SET_RFMON(3)
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