ERR_func_error_string   93 opal/mca/event/libevent2022/libevent/bufferevent_openssl.c 		const char *func = (const char*)ERR_func_error_string(err);
ERR_func_error_string  109 opal/mca/event/libevent2022/libevent/sample/le-proxy.c 				    ERR_func_error_string(err);