freebsd-src/contrib/libpcap/pcap_geterr.3pcap
Joseph Mingrone 6f9cba8f8b
libpcap: Update to 1.10.3
Local changes:

- In contrib/libpcap/pcap/bpf.h, do not include pcap/dlt.h.  Our system
  net/dlt.h is pulled in from net/bpf.h.
- sys/net/dlt.h: Incorporate changes from libpcap 1.10.3.
- lib/libpcap/Makefile: Update for libpcap 1.10.3.

Changelog:	https://git.tcpdump.org/libpcap/blob/95691ebe7564afa3faa5c6ba0dbd17e351be455a:/CHANGES
Reviewed by:	emaste
Obtained from:	https://www.tcpdump.org/release/libpcap-1.10.3.tar.gz
Sponsored by:	The FreeBSD Foundation
2023-03-31 16:02:22 -03:00

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.\" Copyright (c) 1994, 1996, 1997
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.\" ``This product includes software developed by the University of California,
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.TH PCAP_GETERR 3PCAP "15 January 2016"
.SH NAME
pcap_geterr, pcap_perror \- get or print libpcap error message text
.SH SYNOPSIS
.nf
.ft B
#include <pcap/pcap.h>
.ft
.LP
.ft B
char *pcap_geterr(pcap_t *p);
void pcap_perror(pcap_t *p, const char *prefix);
.ft
.fi
.SH DESCRIPTION
.BR pcap_geterr ()
returns the error text pertaining to the last pcap library error.
.BR NOTE :
the pointer it returns will no longer point to a valid error message
string after the
.B pcap_t
passed to it is closed; you must use or copy the string before closing
the
.BR pcap_t .
.PP
.BR pcap_perror ()
prints the text of the last pcap library error on
.BR stderr ,
prefixed by
.IR prefix .
.SH SEE ALSO
.BR pcap (3PCAP)