104     size_t length;  in main()  local
112     length = strnlen_s("Hello, world!", 50);  in main()
114     TEST_RES(length == 13, "Normal length", handler_res, test_id);  in main()
118     length = strnlen_s("Hello, world!", 13);  in main()
120     TEST_RES(length == 13, "Length with exact buffer size", handler_res,  in main()
125     length = strnlen_s("Hello, world!", 5);  in main()
127     TEST_RES(length == 5, "Length with insufficient buffer", handler_res,  in main()
132     length = strnlen_s("", 50);  in main()
134     TEST_RES(length == 0, "Length of empty string", handler_res, test_id);  in main()
138     length = strnlen_s(NULL, 50);  in main()
140     TEST_RES(length == 0, "Length with Null string", handler_res, test_id);  in main()
144     length = strnlen_s("Hello, world!", 0);  in main()
146     TEST_RES(length == 0, "Length with zero buffer size", handler_res, test_id);  in main()