1/* $RCSfile: str.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:27 $
2 *
3 *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1999, 2000,
4 *    by Larry Wall and others
5 *
6 *    You may distribute under the terms of either the GNU General Public
7 *    License or the Artistic License, as specified in the README file.
8 *
9 * $Log:	str.h,v $
10 */
11
12struct string {
13    char *	str_ptr;	/* pointer to malloced string */
14    double	str_nval;	/* numeric value, if any */
15    int		str_len;	/* allocated size */
16    int		str_cur;	/* length of str_ptr as a C string */
17    union {
18	STR *str_next;		/* while free, link to next free str */
19    } str_link;
20    char	str_pok;	/* state of str_ptr */
21    char	str_nok;	/* state of str_nval */
22};
23
24#define Nullstr Null(STR*)
25
26/* the following macro updates any magic values this str is associated with */
27
28#define STABSET(x) (x->str_link.str_magic && stabset(x->str_link.str_magic,x))
29
30EXT STR **tmps_list;
31EXT long tmps_max INIT(-1);
32
33double str_2num ( STR *str );
34char * str_2ptr ( STR *str );
35char * str_append_till ( STR *str, char *from, int delim, char *keeplist );
36void str_cat ( STR *str, char *ptr );
37void str_chop ( STR *str, char *ptr );
38void str_dec ( STR *str );
39void str_free ( STR *str );
40char * str_gets ( STR *str, FILE *fp );
41void str_grow ( STR *str, int len );
42void str_inc ( STR *str );
43int str_len ( STR *str );
44STR * str_make ( char *s );
45STR * str_mortal ( STR *oldstr );
46void str_ncat ( STR *str, char *ptr, int len );
47STR * str_new ( int len );
48STR * str_nmake ( double n );
49void str_nset ( STR *str, char *ptr, int len );
50void str_numset ( STR *str, double num );
51void str_replace ( STR *str, STR *nstr );
52void str_scat ( STR *dstr, STR *sstr );
53void str_set ( STR *str, char *ptr );
54void str_sset ( STR *dstr, STR *sstr );
55