[unix-history] / usr / src / usr.bin / window / alias.h

/*
 * Copyright (c) 1983 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.
 *
 *	@(#)alias.h	3.6 (Berkeley) %G%
 */

#define alias var
#define a_name r_name
#define a_buf r_val.v_str
#define a_flags r_val.v_type

	/* a_flags bits, must not interfere with v_type values */
#define A_INUSE		0x010	/* already inuse */

#define alias_set(n, s)		var_setstr1(&alias_head, n, s)
#define alias_walk(f, a)	var_walk1(alias_head, f, a)
#define alias_unset(n)		var_unset1(&alias_head, n)
#define alias_lookup(n)		(*var_lookup1(&alias_head, n))

struct var *alias_head;
Commit	Line	Data
58c6f2df	1	/*
46e9ea25 KB	2	* Copyright (c) 1983 Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms are permitted
5e8b0e60 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.
46e9ea25	16	*
5e8b0e60	17	* @(#)alias.h 3.6 (Berkeley) %G%
58c6f2df EW	18	*/
	19
	20	#define alias var
	21	#define a_name r_name
	22	#define a_buf r_val.v_str
7293cf8d EW	23	#define a_flags r_val.v_type
	24
	25	/* a_flags bits, must not interfere with v_type values */
	26	#define A_INUSE 0x010 /* already inuse */
58c6f2df EW	27
	28	#define alias_set(n, s) var_setstr1(&alias_head, n, s)
	29	#define alias_walk(f, a) var_walk1(alias_head, f, a)
	30	#define alias_unset(n) var_unset1(&alias_head, n)
	31	#define alias_lookup(n) (*var_lookup1(&alias_head, n))
	32
	33	struct var *alias_head;