audio_mixer_get_info 53 uspace/app/mixerctl/mixerctl.c errno_t ret = audio_mixer_get_info(exch, &name, &count); audio_mixer_get_info 45 uspace/lib/drv/include/audio_mixer_iface.h errno_t audio_mixer_get_info(async_exch_t *, char **, unsigned *);HelenOS homepage, sources at GitHub