* Copyright (c) 1991 The Regents of the University of California.
* This code is derived from software contributed to Berkeley by
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* from: @(#)var.h 5.1 (Berkeley) 3/7/91
* var.h,v 1.4 1993/08/01 18:58:33 mycroft Exp
#define VEXPORT 01 /* variable is exported */
#define VREADONLY 02 /* variable cannot be modified */
#define VSTRFIXED 04 /* variable struct is staticly allocated */
#define VTEXTFIXED 010 /* text is staticly allocated */
#define VSTACK 020 /* text is allocated on the stack */
#define VUNSET 040 /* the variable is not set */
struct var
*next
; /* next entry in hash list */
int flags
; /* flags are defined above */
char *text
; /* name=value */
struct localvar
*next
; /* next local variable in list */
struct var
*vp
; /* the variable that was made local */
int flags
; /* saved flags */
char *text
; /* saved text */
struct localvar
*localvars
;
extern struct var vmpath
;
* The following macros access the values of the above variables.
* They have to skip over the name. They return the null string
#define ifsval() (vifs.text + 4)
#define mailval() (vmail.text + 5)
#define mpathval() (vmpath.text + 9)
#define pathval() (vpath.text + 5)
#define ps1val() (vps1.text + 4)
#define ps2val() (vps2.text + 4)
#define termval() (vterm.text + 5)
#define attyset() ((vatty.flags & VUNSET) == 0)
#define mpathset() ((vmpath.flags & VUNSET) == 0)
void setvar(char *, char *, int);
void setvareq(char *, int);
void listsetvar(struct strlist
*);
char *bltinlookup(char *, int);
int showvarscmd(int, char **);