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55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/*
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* Copyright (c) 1997 David I. Bell
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* Permission is granted to use, distribute, or modify this source,
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* provided that this copyright notice remains intact.
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*/
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#if !defined(__CALCSTRING_H__)
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#define __CALCSTRING_H__
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#include "zmath.h"
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struct string {
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char *s_str;
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long s_len;
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long s_links;
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struct string *s_next;
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};
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typedef struct string STRING;
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typedef struct {
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char *h_list; /* list of strings separated by nulls */
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long h_used; /* characters used so far */
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long h_avail; /* characters available for use */
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long h_count; /* number of strings */
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} STRINGHEAD;
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extern void initstr(STRINGHEAD *hp);
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extern char *addstr(STRINGHEAD *hp, char *str);
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extern char *namestr(STRINGHEAD *hp, long n);
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extern int findstr(STRINGHEAD *hp, char *str);
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extern char *charstr(int ch);
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extern char *addliteral(char *str);
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extern long stringindex(char *str1, char *str2);
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extern STRING *stralloc(void);
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extern long addstring(char *str, long len);
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extern STRING *charstring(int ch);
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extern STRING *makestring(char *str);
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extern STRING *makenewstring(char *str);
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extern STRING *findstring(long index);
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extern STRING *slink(STRING *);
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extern void sfree(STRING *);
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extern void fitstring(char *, long, long);
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extern void showstrings(void);
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extern void showliterals(void);
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extern STRING _nullstring_;
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#endif /* !__CALCSTRING_H__ */
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