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64 lines
1.9 KiB
64 lines
1.9 KiB
.TH IPQ_ERRSTR 3 "16 October 2001" "Linux iptables 1.2" "Linux Programmer's Manual" |
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.\" |
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.\" Copyright (c) 2000 Netfilter Core Team |
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.\" |
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.\" This program is free software; you can redistribute it and/or modify |
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.\" it under the terms of the GNU General Public License as published by |
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.\" the Free Software Foundation; either version 2 of the License, or |
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.\" (at your option) any later version. |
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.\" |
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.\" This program is distributed in the hope that it will be useful, |
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.\" but WITHOUT ANY WARRANTY; without even the implied warranty of |
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.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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.\" GNU General Public License for more details. |
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.\" |
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.\" You should have received a copy of the GNU General Public License |
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.\" along with this program; if not, write to the Free Software |
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.\" Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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.\" |
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.\" |
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.SH NAME |
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ipq_errstr, ipq_perror \(em libipq error handling routines |
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.SH SYNOPSIS |
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.B #include <linux/netfilter.h> |
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.br |
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.B #include <libipq.h> |
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.sp |
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.BI "char *ipq_errstr(" void ); |
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.br |
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.BI "void ipq_perror(const char *" s ); |
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.SH DESCRIPTION |
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The |
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.B ipq_errstr |
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function returns a descriptive error message based on the current |
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value of the internal |
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.B ipq_errno |
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variable. All libipq API functions set this internal variable |
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upon failure. |
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.PP |
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The |
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.B ipq_perror |
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function prints an error message to stderr corresponding to the |
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current value of the internal |
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.B ipq_error |
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variable, and the global |
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.B errno |
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variable (if set). The error message is prefixed with the string |
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.I s |
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as supplied by the application. If |
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.I s |
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is NULL, the error message is prefixed with the string "ERROR". |
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.SH RETURN VALUE |
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.B ipq_errstr |
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returns an error message as outlined above. |
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.SH BUGS |
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None known. |
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.SH AUTHOR |
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James Morris <jmorris@intercode.com.au> |
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.SH COPYRIGHT |
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Copyright (c) 2000-2001 Netfilter Core Team. |
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.PP |
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Distributed under the GNU General Public License. |
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.SH SEE ALSO |
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.BR iptables (8), |
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.BR libipq (3).
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