pub unsafe extern "C" fn snd_pcm_mmap_readi(
pcm: *mut snd_pcm_t,
buffer: *mut c_void,
size: snd_pcm_uframes_t,
) -> snd_pcm_sframes_tpub unsafe extern "C" fn snd_pcm_mmap_readi(
pcm: *mut snd_pcm_t,
buffer: *mut c_void,
size: snd_pcm_uframes_t,
) -> snd_pcm_sframes_t