r_substream      1092 sound/core/oss/pcm_oss.c static int snd_pcm_oss_get_active_substream(struct snd_pcm_oss_file *pcm_oss_file, struct snd_pcm_substream **r_substream)
r_substream      1111 sound/core/oss/pcm_oss.c 	if (r_substream)
r_substream      1112 sound/core/oss/pcm_oss.c 		*r_substream = asubstream;