y name]::[reason string]</code></pre>

<p><i>error code</i> is an 8 digit hexadecimal number, <i>library name</i> and <i>reason string</i> are ASCII text.</p>

<p>ERR_lib_error_string() and ERR_reason_error_string() return the library name and reason string respectively.</p>

<p>If there is no text string registered for the given error code, the error string will contain the numeric code.</p>

<p><a href="../man3/ERR_print_errors.html">ERR_print_errors(3)</a> can be used to print all error codes currently i