projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| f6d12243 | 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 | * |
| ca67e7b4 | 17 | * @(#)var.h 3.9 (Berkeley) 6/29/88 |
| f6d12243 EW |
18 | */ |
| 19 | ||
| 20 | struct var { | |
| 21 | struct var *r_left; | |
| 22 | struct var *r_right; | |
| 23 | char *r_name; | |
| 24 | struct value r_val; | |
| 25 | }; | |
| 26 | ||
| bb4a0c0b EW |
27 | struct var *var_set1(); |
| 28 | struct var *var_setstr1(); | |
| 29 | struct var *var_setnum1(); | |
| b44eb60a | 30 | struct var **var_lookup1(); |
| f6d12243 | 31 | |
| bb4a0c0b EW |
32 | #define var_set(n, v) var_set1(&var_head, n, v) |
| 33 | #define var_setstr(n, s) var_setstr1(&var_head, n, s) | |
| 34 | #define var_setnum(n, i) var_setnum1(&var_head, n, i) | |
| 35 | #define var_unset(n) var_unset1(&var_head, n) | |
| 36 | #define var_lookup(n) (*var_lookup1(&var_head, n)) | |
| 37 | #define var_walk(f, a) var_walk1(var_head, f, a) | |
| 433bd50a | 38 | |
| f6d12243 | 39 | struct var *var_head; /* secret, shhh */ |