pcap_can_set_rfmon man page on Archlinux

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PCAP_CAN_SET_RFMON(3PCAP)			     PCAP_CAN_SET_RFMON(3PCAP)

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 cap‐
       ture 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(3PCAP),	    pcap_create(3PCAP),		 pcap_activate(3PCAP),
       pcap_set_rfmon(3PCAP)

				  18 May 2010	     PCAP_CAN_SET_RFMON(3PCAP)
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