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IPSEC_STRERROR(3) 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 overwritten 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. NetBSD 7.1.2 January 4, 2012 NetBSD 7.1.2