/*	$NetBSD: options.h,v 1.17 2003/08/07 09:05:36 agc Exp $	*//*- * Copyright (c) 1991, 1993 *	The Regents of the University of California.  All rights reserved. * * This code is derived from software contributed to Berkeley by * Kenneth Almquist. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 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. 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 * SUCH DAMAGE. * *	@(#)options.h	8.2 (Berkeley) 5/4/95 */struct shparam {	int nparam;		/* # of positional parameters (without $0) */	unsigned char malloc;	/* if parameter list dynamically allocated */	unsigned char reset;	/* if getopts has been reset */	char **p;		/* parameter list */	char **optnext;		/* next parameter to be processed by getopts */	char *optptr;		/* used by getopts */};struct optent {	const char *name;		/* for set -o <name> */	const char letter;		/* set [+/-]<letter> and $- */	const char opt_set;		/* mutually exclusive option set */	char val;			/* value of <letter>flag */};/* Those marked [U] are required by posix, but have no effect! */#ifdef DEFINE_OPTIONS#define DEF_OPTS(name, letter, opt_set) {name, letter, opt_set, 0},struct optent optlist[] = {#else#define DEF_OPTS(name, letter, opt_set)#endif#define DEF_OPT(name,letter) DEF_OPTS(name, letter, 0)DEF_OPT( "errexit",	'e' )	/* exit on error */#define eflag optlist[0].valDEF_OPT( "noglob",	'f' )	/* no pathname expansion */#define fflag optlist[1].valDEF_OPT( "ignoreeof",	'I' )	/* do not exit on EOF */#define Iflag optlist[2].valDEF_OPT( "interactive",'i' )	/* interactive shell */#define iflag optlist[3].valDEF_OPT( "monitor",	'm' )	/* job control */#define mflag optlist[4].valDEF_OPT( "noexec",	'n' )	/* [U] do not exec commands */#define nflag optlist[5].valDEF_OPT( "stdin",	's' )	/* read from stdin */#define sflag optlist[6].valDEF_OPT( "xtrace",	'x' )	/* trace after expansion */#define xflag optlist[7].valDEF_OPT( "verbose",	'v' )	/* trace read input */#define vflag optlist[8].valDEF_OPTS( "vi",		'V', 'V' )	/* vi style editing */#define Vflag optlist[9].valDEF_OPTS( "emacs",	'E', 'V' )	/* emacs style editing */#define	Eflag optlist[10].valDEF_OPT( "noclobber",	'C' )	/* do not overwrite files with > */#define	Cflag optlist[11].valDEF_OPT( "allexport",	'a' )	/* export all variables */#define	aflag optlist[12].valDEF_OPT( "notify",	'b' )	/* [U] report completion of background jobs */#define	bflag optlist[13].valDEF_OPT( "nounset",	'u' )	/* error expansion of unset variables */#define	uflag optlist[14].valDEF_OPT( "quietprofile", 'q' )#define	qflag optlist[15].valDEF_OPT( "nolog",	0 )	/* [U] no functon defs in command history */#define	nolog optlist[16].valDEF_OPT( "cdprint",	0 )	/* always print result of cd */#define	cdprint optlist[17].val#ifdef DEBUGDEF_OPT( "debug",	0 )	/* enable debug prints */#define	debug optlist[18].val#endif#ifdef DEFINE_OPTIONS	{ 0, 0, 0, 0 },};#define NOPTS (sizeof optlist / sizeof optlist[0] - 1)int sizeof_optlist = sizeof optlist;#elseextern struct optent optlist[];extern int sizeof_optlist;#endifextern char *minusc;		/* argument to -c option */extern char *arg0;		/* $0 */extern struct shparam shellparam;  /* $@ */extern char **argptr;		/* argument list for builtin commands */extern char *optionarg;		/* set by nextopt */extern char *optptr;		/* used by nextopt */void procargs(int, char **);void optschanged(void);void setparam(char **);void freeparam(volatile struct shparam *);int shiftcmd(int, char **);int setcmd(int, char **);int getoptscmd(int, char **);int nextopt(const char *);void getoptsreset(const char *);