RRQ
if (tp->th_opcode == RRQ || tp->th_opcode == WRQ)
if (mode == RRQ) {
if (mode == RRQ)
fd = open(filename, mode == RRQ ? O_RDONLY : O_WRONLY|O_TRUNC);
file = fdopen(fd, (mode == RRQ)? "r":"w");
wbuf.t.th_opcode = htons((u_short) RRQ);
size = makerequest(RRQ, name, ap, mode);
if (op < RRQ || op > ERROR)
case RRQ: