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#ifndef STR_H
#define STR_H
#include <util.h>
typedef struct str_s str;
str *new_str(char *s, NUM size);
/* flag non-zero => free the stored character array as well */
void destroy_str(str *s, int flag);
/* deliberately expose this struct */
struct str_info_s {
NUM value;
size_t step;
};
typedef struct str_info_s str_info;
#define EMPTY_STR_INFO ((str_info) { 0, 1 })
str_info get_info(str *, UNUM);
char *get_data(str *s);
NUM str_length(str *);
void str_set_length(str *s, UNUM size);
void change_str_content(str *, char *, NUM);
unsigned char copy_str(str *dest, str *source);
#endif
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