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ipsec_strerror(3)

NAME

     ipsec_strerror -- error message for IPsec policy manipulation library

SYNOPSIS

     #include <netinet6/ipsec.h>

     const char *
     ipsec_strerror();

DESCRIPTION

     <netinet6/ipsec.h> declares

	   extern int ipsec_errcode;

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

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

RETURN VALUES

     The ipsec_strerror() function always returns a pointer to C string.  The
     C string must not be overwritten by user programs.

SEE ALSO

     ipsec_set_policy(3)

HISTORY

     The ipsec_strerror() function first appeared in WIDE/KAME IPv6 protocol
     stack kit.

BUGS

     The ipsec_strerror() function will return its result which may be over-
     written by subsequent calls.

     ipsec_errcode is not thread safe.

FreeBSD 5.4			  May 6, 1998			   FreeBSD 5.4

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