pub unsafe extern "C" fn snd_pcm_format_mask_copy(
dst: *mut snd_pcm_format_mask_t,
src: *const snd_pcm_format_mask_t,
)
pub unsafe extern "C" fn snd_pcm_format_mask_copy(
dst: *mut snd_pcm_format_mask_t,
src: *const snd_pcm_format_mask_t,
)