1 .\" $NetBSD: pcap_can_set_rfmon.3pcap,v 1.2 2014/11/19 19:33:30 christos Exp $
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22 .TH PCAP_CAN_SET_RFMON 3PCAP "18 May 2010"
24 pcap_can_set_rfmon \- check whether monitor mode can be set for a
25 not-yet-activated capture handle
29 #include <pcap/pcap.h>
32 int pcap_can_set_rfmon(pcap_t *p);
36 .B pcap_can_set_rfmon()
37 checks whether monitor mode could be set on a capture handle when
38 the handle is activated.
40 .B pcap_can_set_rfmon()
41 returns 0 if monitor mode could not be set,
42 1 if monitor mode could be set,
43 .B PCAP_ERROR_NO_SUCH_DEVICE
44 if the capture source specified when the handle was created doesn't
46 .B PCAP_ERROR_PERM_DENIED
47 if the process doesn't have permission to check whether monitor mode
49 .B PCAP_ERROR_ACTIVATED
50 if called on a capture handle that has been activated, or
61 as an argument to fetch or display the error text.
63 pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP),