g_file_replace_contents

function g_file_replace_contents(

  file_: PGFile;

  contents: Pgchar;

  length: gsize;

  etag: Pgchar;

  make_backup: gboolean;

  flags: TGFileCreateFlags;

  new_etag: PPgchar;

  cancellable: PGCancellable;

  error: PPGError

):gboolean;