[unix-history] / usr / src / bin / sh / options.h

/*-
* Copyright (c) 1991 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Kenneth Almquist.
*
* %sccs.include.redist.c%
*
*      @(#)options.h   5.1 (Berkeley) %G%
*/

struct shparam {
       int nparam;     /* number of positional parameters (without $0) */
       char malloc;    /* true if parameter list dynamicly allocated */
       char **p;               /* parameter list */
       char **optnext; /* next parameter to be processed by getopts */
       char *optptr;   /* used by getopts */
};



#define eflag optval[0]
#define fflag optval[1]
#define Iflag optval[2]
#define iflag optval[3]
#define jflag optval[4]
#define nflag optval[5]
#define sflag optval[6]
#define xflag optval[7]
#define zflag optval[8]
#define vflag optval[9]

#define NOPTS   10

#ifdef DEFINE_OPTIONS
const char optchar[NOPTS+1] = "efIijnsxzv";       /* shell flags */
char optval[NOPTS+1];           /* values of option flags */
#else
extern const char optchar[NOPTS+1];
extern char optval[NOPTS+1];
#endif


extern char *minusc;            /* argument to -c option */
extern char *arg0;              /* $0 */
extern struct shparam shellparam;  /* $@ */
extern char **argptr;           /* argument list for builtin commands */
extern char *optarg;            /* set by nextopt */
extern char *optptr;            /* used by nextopt */


#ifdef __STDC__
void procargs(int, char **);
void setparam(char **);
void freeparam(struct shparam *);
int nextopt(char *);
#else
void procargs();
void setparam();
void freeparam();
int nextopt();
#endif