fetch_read
len = fetch_read(conn, &c, 1);
if (fetch_read(conn, buf, 2) != 2) {
if (!fetch_read(conn, buf, BUFF_SIZE)) {
ssize_t fetch_read(conn_t *, char *, size_t);
r = fetch_read(io->dconn, buf, len);
if ((nbytes = fetch_read(io->conn, io->buf, len)) == -1) {
if ((nbytes = fetch_read(io->conn, io->buf, len)) == -1) {
if (fetch_read(io->conn, &ch, 1) != 1 || ch != '\r' ||
fetch_read(io->conn, &ch, 1) != 1 || ch != '\n')