alsa_sys::snd_pcm_area_copy

pub unsafe extern fn snd_pcm_area_copy(dst_channel: *const snd_pcm_channel_area_t, dst_offset: snd_pcm_uframes_t, src_channel: *const snd_pcm_channel_area_t, src_offset: snd_pcm_uframes_t, samples: c_uint, format: snd_pcm_format_t) -> c_int