28     SLuint32 numSupportedInterfaces = 12345;  in main()  local
29     result = slQueryNumSupportedEngineInterfaces(&numSupportedInterfaces);  in main()
34     printf("Engine number of supported interfaces %u\n", numSupportedInterfaces);  in main()
35     SLInterfaceID *engine_ids = calloc(numSupportedInterfaces+1, sizeof(SLInterfaceID));  in main()
37     SLboolean *engine_req = calloc(numSupportedInterfaces+1, sizeof(SLboolean));  in main()
42     for (index = 0; index < numSupportedInterfaces + 1; ++index) {  in main()
46         if (index < numSupportedInterfaces) {  in main()
61     if (0 < numSupportedInterfaces) {  in main()
63         result = slCreateEngine(&engineObject, 0, NULL, numSupportedInterfaces, engine_ids, NULL);  in main()
66         result = slCreateEngine(&engineObject, 0, NULL, numSupportedInterfaces, NULL, engine_req);  in main()
72     result = slCreateEngine(NULL, 0, NULL, numSupportedInterfaces, engine_ids, engine_req);  in main()
96     engine_ids[numSupportedInterfaces] = SL_IID_VOLUME;  in main()
97     engine_req[numSupportedInterfaces] = SL_BOOLEAN_TRUE;  in main()
98     result = slCreateEngine(&engineObject, 0, NULL, numSupportedInterfaces+1, engine_ids,  in main()
104     engine_req[numSupportedInterfaces] = SL_BOOLEAN_FALSE;  in main()
109     result = slCreateEngine(&engineObject, 2, options, numSupportedInterfaces+1, engine_ids,  in main()
115     for (index = 0; index < numSupportedInterfaces; ++index) {  in main()
130     result = slCreateEngine(&engineObject, 0, NULL, numSupportedInterfaces, engine_ids, engine_req);  in main()
139     for (index = 0; index < numSupportedInterfaces; ++index) {  in main()