v7 man page for pcap_setdirection

Query: pcap_setdirection

OS: v7

Section: 3pcap

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

PCAP_SETDIRECTION(3PCAP)												  PCAP_SETDIRECTION(3PCAP)

NAME
pcap_setdirection - set the direction for which packets will be captured
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 -1 on failure. If -1 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_geterr(3PCAP) 5 April 2008 PCAP_SETDIRECTION(3PCAP)
Related Man Pages
pcap_compile(3pcap) - centos
pcap_setdirection(3) - freebsd
pcap_setdirection(3pcap) - x11r4
pcap_setdirection(3pcap) - linux
pcap_setdirection(3pcap) - osf1
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