CX18_CPU_SET_AUDIO_MUTE
cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, h, 1);
cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, h, 0);
API_ENTRY(CPU, CX18_CPU_SET_AUDIO_MUTE, 0),
return cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2,