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NetBSD 6.1.5 - man page for pcap_can_set_rfmon (netbsd section 3)

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PCAP_CAN_SET_RFMON(3)							    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_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_per-
       ror() 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)

					   5 April 2008 		    PCAP_CAN_SET_RFMON(3)
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