pcap_can_set_rfmon(3) - NetBSD Manual Pages

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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 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(3), pcap_create(3), pcap_activate(3), pcap_set_rfmon(3)



                                  18 May 2010            PCAP_CAN_SET_RFMON(3)