snd_xfern 602 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) snd_xfern 603 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) snd_xfern 2843 sound/core/pcm_native.c struct snd_xfern __user *_xfern) snd_xfern 2845 sound/core/pcm_native.c struct snd_xfern xfern; snd_xfern 602 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) snd_xfern 603 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern)