snd_pcm_stream_str(9) centos man page | unix.com

SND_PCM_STREAM_STR(9)						   Sound Devices					     SND_PCM_STREAM_STR(9)

NAME
       snd_pcm_stream_str - Get a string naming the direction of a stream

SYNOPSIS
       const char * snd_pcm_stream_str(struct snd_pcm_substream * substream);

ARGUMENTS
       substream
	   the pcm substream instance

RETURN
       A string naming the direction of the stream.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						     SND_PCM_STREAM_STR(9)