Return the function name for a packed error code (deprecated; always returns NULL in 3.0).
Declared in <openssl/err.h>
[[deprecated]]
char const*
ERR_func_error_string(unsigned long e);
Deprecated. Use of this entity is allowed but discouraged.
Always NULL in OpenSSL 3.0 and later.
| Name | Description |
|---|---|
| e | Packed error code (function field is ignored). |