Technical Reference: Base Operating System and Extensions, Volume 1

pcap_perror Subroutine

Purpose

Prints the passed-in prefix, followed by the most recent error text.

Library

pcap Library (libpcap.a)

Syntax

#include <pcap.h> void pcap_perror(pcap_t * p, char * prefix);

Description

The pcap_perror subroutine prints the text of the last pcap library error to stderr, prefixed by prefix. If there were no previous errors, only prefix is printed.

Parameters

p	Points to a packet capture descriptor as returned by the pcap_open_live subroutine or the pcap_open_offline subroutine.
prefix	Specifies the string that is to be printed before the stored error message.

Related Information

The pcap_geterr (pcap_geterr Subroutine) subroutine, pcap_open_live (pcap_open_live Subroutine) subroutine, pcap_open_offline (pcap_open_offline Subroutine) subroutine, pcap_strerror (pcap_strerror Subroutine) subroutine.