options.h revision 1.4 
1/*-
2 * Copyright (c) 1991 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Kenneth Almquist.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 *	from: @(#)options.h	5.1 (Berkeley) 3/7/91
37 *	$Id: options.h,v 1.4 1993/08/01 18:58:39 mycroft Exp $
38 */
39
40struct shparam {
41	int nparam;	/* number of positional parameters (without $0) */
42	char malloc;	/* true if parameter list dynamicly allocated */
43	char **p;		/* parameter list */
44	char **optnext;	/* next parameter to be processed by getopts */
45	char *optptr;	/* used by getopts */
46};
47
48
49
50#define eflag optval[0]
51#define fflag optval[1]
52#define Iflag optval[2]
53#define iflag optval[3]
54#define jflag optval[4]
55#define nflag optval[5]
56#define sflag optval[6]
57#define xflag optval[7]
58#define zflag optval[8]
59#define vflag optval[9]
60
61#define NOPTS	10
62
63#ifdef DEFINE_OPTIONS
64const char optchar[NOPTS+1] = "efIijnsxzv";       /* shell flags */
65char optval[NOPTS+1];           /* values of option flags */
66#else
67extern const char optchar[NOPTS+1];
68extern char optval[NOPTS+1];
69#endif
70
71
72extern char *minusc;		/* argument to -c option */
73extern char *arg0;		/* $0 */
74extern struct shparam shellparam;  /* $@ */
75extern char **argptr;		/* argument list for builtin commands */
76extern char *optarg;		/* set by nextopt */
77extern char *optptr;		/* used by nextopt */
78
79
80#ifdef __STDC__
81void procargs(int, char **);
82void setparam(char **);
83void freeparam(struct shparam *);
84int nextopt(char *);
85#else
86void procargs();
87void setparam();
88void freeparam();
89int nextopt();
90#endif
91