* Copyright (c) 1988 Regents of the University of California.
* %sccs.include.redist.c%
* @(#)fdset.h 5.1 (Berkeley) %G%
* The following is defined just in case someone should want to run
* this telnet on a 4.2 system.
#define FD_SET(n, p) ((p)->fds_bits[0] |= (1<<(n)))
#define FD_CLR(n, p) ((p)->fds_bits[0] &= ~(1<<(n)))
#define FD_ISSET(n, p) ((p)->fds_bits[0] & (1<<(n)))
#define FD_ZERO(p) ((p)->fds_bits[0] = 0)