_fetch_read
len = _fetch_read(conn, &c, 1);
ssize_t _fetch_read(conn_t *, char *, size_t);
r = _fetch_read(io->dconn, buf, (unsigned)len);
if ((io->buflen = _fetch_read(io->conn, io->buf, len)) == -1) {
if ((io->buflen = _fetch_read(io->conn, io->buf, len)) == -1) {
if (_fetch_read(io->conn, endl, 2) != 2 ||