HelenOS sources

IPC_M_AUDIO_PCM_GET_BUFFER  371 uspace/lib/drv/generic/remote_audio_pcm.c 	    IPC_M_AUDIO_PCM_GET_BUFFER, (sysarg_t)buffer_size, &buffer_size);
IPC_M_AUDIO_PCM_GET_BUFFER  622 uspace/lib/drv/generic/remote_audio_pcm.c 	[IPC_M_AUDIO_PCM_GET_BUFFER] = remote_audio_pcm_get_buffer,