DMAbuf_getrdbuffer 326 sound/oss/audio.c if ((buf_no = DMAbuf_getrdbuffer(dev, &dmabuf, &l, !!(file->f_flags & O_NONBLOCK))) < 0) DMAbuf_getrdbuffer 8 sound/oss/sound_calls.h int DMAbuf_getrdbuffer(int dev, char **buf, int *len, int dontblock);