snd_pcm_oss_ioctl 2610 sound/core/oss/pcm_oss.c #define snd_pcm_oss_ioctl_compat snd_pcm_oss_ioctl snd_pcm_oss_ioctl 2948 sound/core/oss/pcm_oss.c .unlocked_ioctl = snd_pcm_oss_ioctl,