file_open
|| !OSSL_STORE_LOADER_set_open(loader_attic, file_open)
static OSSL_FUNC_store_open_fn file_open;
{ OSSL_FUNC_STORE_OPEN, (void (*)(void))file_open },
if (!file_open) {
file_open = 0;
if (!file_open)
file_open = 1;
static int file_open; /* If a file open. */