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#ifndef STR_H
#define STR_H
/*
* Revision 20170918, Kai Peter
* - added 'str_copyb()', thanks Erwin Hoffmann
* Revision 20170501, Kai Peter
* - added '*str_append' and 'str_cat'
*/
extern unsigned int str_copy(char *, const char *);
extern unsigned int str_copyb(char *, const char *, unsigned int);
extern int str_diff(const char *, const char *);
extern int str_diffn(const char *, const char *, unsigned int);
extern unsigned int str_len(const char *);
extern unsigned int str_chr(const char *, int);
extern unsigned int str_rchr(const char *, int);
extern int str_start(const char *, const char *);
extern char *str_append(char *out, const char *s);
#define str_equal(s, t) (!str_diff((s), (t)))
#define str_cat(s, t) str_append(s, t)
#endif
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