posix_get_last_error Retrieve the error number set by the last posix function that failed &reftitle.description; intposix_get_last_error Retrieve the error number set by the last posix function that failed. The system error message associated with the errno may be checked with posix_strerror. &reftitle.returnvalues; Returns the errno (error number) set by the last posix function that failed. If no errors exist, 0 is returned. &reftitle.examples; This example attempt to kill a bogus process id, which will set the last error. We will then print out the last errno. ]]> &reftitle.seealso; posix_strerror