handle_to_fd
fd = handle_to_fd(handle);
if ((fd = handle_to_fd(handle)) < 0) {
if ((fd = handle_to_fd(handle)) < 0)
read_fd = handle_to_fd(read_handle);
write_fd = handle_to_fd(write_handle);
if ((fd = handle_to_fd(handle)) == -1)
fd = handle_to_fd(handle);
fd = handle_to_fd(handle);