pcap_setdirection(3pcap) 맨 페이지 - 윈디하나의 솔라나라

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pcap_setdirection(3pcap)

PCAP_SETDIRECTION(3pcap)                              PCAP_SETDIRECTION(3pcap)



NAME
       pcap_setdirection  -  set  the direction for which packets will be cap‐
       tured

SYNOPSIS
       #include <pcap/pcap.h>

       int pcap_setdirection(pcap_t *p, pcap_direction_t d);

DESCRIPTION
       pcap_setdirection() is used to specify a direction that packets will be
       captured.    d  is  one  of  the  constants  PCAP_D_IN,  PCAP_D_OUT  or
       PCAP_D_INOUT.  PCAP_D_IN will only  capture  packets  received  by  the
       device,  PCAP_D_OUT  will  only  capture packets sent by the device and
       PCAP_D_INOUT will capture packets received by or sent  by  the  device.
       PCAP_D_INOUT is the default setting if this function is not called.

       pcap_setdirection() isn't necessarily fully supported on all platforms;
       some platforms might return an error for all  values,  and  some  other
       platforms might not support PCAP_D_OUT.

       This operation is not supported if a ``savefile'' is being read.

RETURN VALUE
       pcap_setdirection()  returns 0 on success and PCAP_ERROR on failure. If
       PCAP_ERROR is returned, pcap_geterr(3PCAP) or pcap_perror(3PCAP) may be
       called with p as an argument to fetch or display the error text.


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       box; cbp-1 | cbp-1 l | l .  ATTRIBUTE TYPE ATTRIBUTE VALUE = Availabil‐
       ity   system/library/libpcap = Stability Uncommitted


SEE ALSO
       pcap(3PCAP)



NOTES
       Source code for open source software components in Oracle  Solaris  can
       be found at https://www.oracle.com/downloads/opensource/solaris-source-
       code-downloads.html.

       This    software    was    built    from    source     available     at
       https://github.com/oracle/solaris-userland.    The  original  community
       source  was  downloaded   from    https://www.tcpdump.org/release/libp‐
       cap-1.9.1.tar.gz.

       Further information about this software can be found on the open source
       community website at https://www.tcpdump.org/.



                                 25 July 2018         PCAP_SETDIRECTION(3pcap)
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