test_arg_libctx
if (!test_arg_libctx(&libctx, &default_null_provider, &provider, 5, USAGE))
if (!test_arg_libctx(&libctx, &default_null_provider, &provider, 3, USAGE))
if (!test_arg_libctx(&libctx, &default_null_provider, &provider, 12, USAGE))
if (!test_arg_libctx(&libctx, &default_null_provider, &provider, 1, USAGE))
if (!test_arg_libctx(&libctx, &default_null_provider, &provider, 14, USAGE))
if (!test_arg_libctx(&libctx, &defctxnull, &thisprov, 1, USAGE))
int test_arg_libctx(OSSL_LIB_CTX **libctx, OSSL_PROVIDER **default_null_prov,