snd_pcm_areas_copy

function snd_pcm_areas_copy(

  dst_channels: Psnd_pcm_channel_area_t;

  dst_offset: snd_pcm_uframes_t;

  src_channels: Psnd_pcm_channel_area_t;

  src_offset: snd_pcm_uframes_t;

  channels: cuint;

  frames: snd_pcm_uframes_t;

  format: snd_pcm_format_t

):cint;