[unix-history] / usr / src / usr.bin / telnet / fdset.h

/*
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)fdset.h	1.4 (Berkeley) %G%
 */

/*
 * The following is defined just in case someone should want to run
 * this telnet on a 4.2 system.
 *
 */

#ifndef	FD_SETSIZE

#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)

#endif
Commit	Line	Data
897ce52e KB	1	/*
	2	* Copyright (c) 1988 Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms are permitted
b36fc510 KB	6	* provided that the above copyright notice and this paragraph are
	7	* duplicated in all such forms and that any documentation,
	8	* advertising materials, and other materials related to such
	9	* distribution and use acknowledge that the software was developed
	10	* by the University of California, Berkeley. The name of the
	11	* University may not be used to endorse or promote products derived
	12	* from this software without specific prior written permission.
	13	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	14	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	15	* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
897ce52e	16	*
b36fc510	17	* @(#)fdset.h 1.4 (Berkeley) %G%
897ce52e KB	18	*/
897ce52e KB	19
b9148b97 GM	20	/*
	21	* The following is defined just in case someone should want to run
	22	* this telnet on a 4.2 system.
	23	*
	24	*/
	25
	26	#ifndef FD_SETSIZE
	27
	28	#define FD_SET(n, p) ((p)->fds_bits[0] \|= (1<<(n)))
	29	#define FD_CLR(n, p) ((p)->fds_bits[0] &= ~(1<<(n)))
	30	#define FD_ISSET(n, p) ((p)->fds_bits[0] & (1<<(n)))
	31	#define FD_ZERO(p) ((p)->fds_bits[0] = 0)
	32
	33	#endif