ENGINE_ctrl_cmd_string
if (!ENGINE_ctrl_cmd_string(e, cmd, NULL, 0))
if (!ENGINE_ctrl_cmd_string(e, buf, arg, 0))
if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
|| !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
} else if (!ENGINE_ctrl_cmd_string(e, ctrlname, ctrlvalue, 0))
if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", ctrlvalue, 0))
if (!ENGINE_ctrl_cmd_string(e, "LIST_ADD", "2", 0))
if (!ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
if (!iterator || !ENGINE_ctrl_cmd_string(iterator, "ID", id, 0) || !ENGINE_ctrl_cmd_string(iterator, "DIR_LOAD", "2", 0) || !ENGINE_ctrl_cmd_string(iterator, "DIR_ADD", load_dir, 0) || !ENGINE_ctrl_cmd_string(iterator, "LIST_ADD", "1", 0) || !ENGINE_ctrl_cmd_string(iterator, "LOAD", NULL, 0))
int ENGINE_ctrl_cmd_string(ENGINE *e, const char *cmd_name, const char *arg,