Peek at the earliest error and optionally return its source file and line.
Declared in <openssl/err.h>
unsigned long
ERR_peek_error_line(
char const** file,
int* line);
Earliest error code, or 0 if the queue is empty (queue unchanged).
| Name | Description |
|---|---|
| file | Receives the source file name, or unchanged if NULL. |
| line | Receives the source line number, or unchanged if NULL. |