60     SLObjectItf engineObject;  in main()  local
63         result = slCreateEngine(&engineObject, 0, NULL, numSupportedInterfaces, engine_ids, NULL);  in main()
65         assert(NULL == engineObject);  in main()
66         result = slCreateEngine(&engineObject, 0, NULL, numSupportedInterfaces, NULL, engine_req);  in main()
68         assert(NULL == engineObject);  in main()
78     result = slCreateEngine(&engineObject, 0, NULL, 1, null_id, null_req);  in main()
80     assert(NULL == engineObject);  in main()
83     result = slCreateEngine(&engineObject, 1, NULL, 0, NULL, NULL);  in main()
85     assert(NULL == engineObject);  in main()
91     result = slCreateEngine(&engineObject, 1, options, 0, NULL, NULL);  in main()
93     assert(NULL == engineObject);  in main()
98     result = slCreateEngine(&engineObject, 0, NULL, numSupportedInterfaces+1, engine_ids,  in main()
101     assert(NULL == engineObject);  in main()
109     result = slCreateEngine(&engineObject, 2, options, numSupportedInterfaces+1, engine_ids,  in main()
112     printf("Engine object %p\n", engineObject);  in main()
118         result = (*engineObject)->GetInterface(engineObject, engine_ids[index], &interface);  in main()
127     (*engineObject)->Destroy(engineObject);  in main()
130     result = slCreateEngine(&engineObject, 0, NULL, numSupportedInterfaces, engine_ids, engine_req);  in main()
132     printf("Engine object %p\n", engineObject);  in main()
135     result = (*engineObject)->Realize(engineObject, SL_BOOLEAN_FALSE);  in main()
141         result = (*engineObject)->GetInterface(engineObject, engine_ids[index], &interface);  in main()
148         result = (*engineObject)->GetInterface(engineObject, &copy, &interface_again);  in main()
165     (*engineObject)->Destroy(engineObject);  in main()