fetch_read
rlen = fetch_read(conn, conn->buf + conn->buflen,
return (fetch_read(conn, buf, len));
if (fetch_read(conn, buf, 2) != 2) {
if (!fetch_read(conn, buf, BUFF_SIZE)) {
ssize_t fetch_read(conn_t *, void *, size_t);
r = fetch_read(io->dconn, buf, len);