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NetBSD 6.1.5 - man page for ipsec_strerror (netbsd section 3)

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IPSEC_STRERROR(3)		   BSD Library Functions Manual 		IPSEC_STRERROR(3)

NAME
     ipsec_strerror -- error messages for the IPsec policy manipulation library

LIBRARY
     IPsec Policy Control Library (libipsec, -lipsec)

SYNOPSIS
     #include <netipsec/ipsec.h>

     const char *
     ipsec_strerror(void);

DESCRIPTION
     netinet6/ipsec.h declares

	   extern int ipsec_errcode;

     which is used to pass an error code from the IPsec policy manipulation library to a program.
     ipsec_strerror() can be used to obtain the error message string for the error code.

     The array pointed to is not to be modified by the calling program.  Since ipsec_strerror()
     uses strerror(3) as underlying function, calling strerror(3) after ipsec_strerror() will
     make the return value from ipsec_strerror() invalid or overwritten.

RETURN VALUES
     ipsec_strerror() always returns a pointer to a C string.  The C string must not be overwrit-
     ten by the calling program.

SEE ALSO
     ipsec_set_policy(3)

HISTORY
     ipsec_strerror() first appeared in the WIDE/KAME IPv6 protocol stack kit.

BUGS
     ipsec_strerror() will return its result which may be overwritten by subsequent calls.

     ipsec_errcode is not thread safe.

BSD					 January 4, 2012				      BSD
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