snd_xferi 600 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) snd_xferi 601 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) snd_xferi 2822 sound/core/pcm_native.c struct snd_xferi __user *_xferi) snd_xferi 2824 sound/core/pcm_native.c struct snd_xferi xferi; snd_xferi 600 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) snd_xferi 601 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi)