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IPQ_ERRSTR(3) Linux Programmer's Manual IPQ_ERRSTR(3)

ipq_errstr, ipq_perror — libipq error handling routines

#include <linux/netfilter.h>
#include <libipq.h>

char *ipq_errstr(void);
void ipq_perror(const char *s);

The ipq_errstr function returns a descriptive error message based on the current value of the internal ipq_errno variable. All libipq API functions set this internal variable upon failure.

The ipq_perror function prints an error message to stderr corresponding to the current value of the internal ipq_error variable, and the global errno variable (if set). The error message is prefixed with the string s as supplied by the application. If s is NULL, the error message is prefixed with the string "ERROR".

ipq_errstr returns an error message as outlined above.

None known.

James Morris <jmorris@intercode.com.au>

Copyright (c) 2000-2001 Netfilter Core Team.

Distributed under the GNU General Public License.

iptables(8), libipq(3).
16 October 2001 Linux iptables 1.2