2009-03-21 20:43:56 +00:00
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.\" Copyright (c) 1994, 1996, 1997
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that: (1) source code distributions
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.\" retain the above copyright notice and this paragraph in its entirety, (2)
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.\" distributions including binary code include the above copyright notice and
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.\" this paragraph in its entirety in the documentation or other materials
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.\" provided with the distribution, and (3) all advertising materials mentioning
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.\" features or use of this software display the following acknowledgement:
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.\" ``This product includes software developed by the University of California,
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.\" Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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.\" the University nor the names of its contributors may be used to endorse
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.\" or promote products derived from this software without specific prior
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.\" written permission.
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.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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.\"
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2017-02-12 07:04:44 +00:00
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.TH PCAP_GETERR 3PCAP "3 January 2014"
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2009-03-21 20:43:56 +00:00
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.SH NAME
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pcap_geterr, pcap_perror \- get or print libpcap error message text
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.SH SYNOPSIS
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.nf
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.ft B
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#include <pcap/pcap.h>
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.ft
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.LP
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.ft B
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char *pcap_geterr(pcap_t *p);
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2017-02-12 07:04:44 +00:00
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void pcap_perror(pcap_t *p, const char *prefix);
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2009-03-21 20:43:56 +00:00
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.ft
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.fi
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.SH DESCRIPTION
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.B pcap_geterr()
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returns the error text pertaining to the last pcap library error.
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.BR NOTE :
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the pointer it returns will no longer point to a valid error message
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string after the
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.B pcap_t
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passed to it is closed; you must use or copy the string before closing
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the
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.BR pcap_t .
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.PP
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.B pcap_perror()
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prints the text of the last pcap library error on
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.BR stderr ,
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prefixed by
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.IR prefix .
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.SH SEE ALSO
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pcap(3PCAP)
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