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IPSEC_STRERROR(3) FreeBSD 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 ipsec_strerror() can be used to obtain the error message string for the error code. 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. FreeBSD 14.1-RELEASE-p8 September 6, 2018 FreeBSD 14.1-RELEASE-p8