pcap_geterr(3pcap) — Linux manual page


PCAP_GETERR(3PCAP)                                    PCAP_GETERR(3PCAP)

NAME         top

       pcap_geterr, pcap_perror - get or print libpcap error message

SYNOPSIS         top

       #include <pcap/pcap.h>

       char *pcap_geterr(pcap_t *p);
       void pcap_perror(pcap_t *p, const char *prefix);

DESCRIPTION         top

       pcap_geterr() returns the error text pertaining to the last pcap
       library error.  NOTE: the pointer it returns will no longer point
       to a valid error message string after the pcap_t passed to it is
       closed; you must use or copy the string before closing the

       pcap_perror() prints the text of the last pcap library error on
       stderr, prefixed by prefix.

SEE ALSO         top


COLOPHON         top

       This page is part of the libpcap (packet capture library)
       project.  Information about the project can be found at 
       ⟨http://www.tcpdump.org/⟩.  If you have a bug report for this
       manual page, see ⟨http://www.tcpdump.org/#patches⟩.  This page
       was obtained from the project's upstream Git repository
       ⟨https://github.com/the-tcpdump-group/libpcap.git⟩ on 2023-06-23.
       (At that time, the date of the most recent commit that was found
       in the repository was 2023-06-21.)  If you discover any rendering
       problems in this HTML version of the page, or you believe there
       is a better or more up-to-date source for the page, or you have
       corrections or improvements to the information in this COLOPHON
       (which is not part of the original manual page), send a mail to

                             15 January 2016          PCAP_GETERR(3PCAP)