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#ifndef TEXT_UTIL_H
#define TEXT_UTIL_H
#include <stdbool.h>
#include <stddef.h>
#include "text.h"
/* test whether the given range is valid (start <= end) */
bool text_range_valid(Filerange*);
/* get the size of the range (end-start) or zero if invalid */
size_t text_range_size(Filerange*);
/* create an empty / invalid range of size zero */
Filerange text_range_empty(void);
/* merge two ranges into a new one which contains both of them */
Filerange text_range_union(Filerange*, Filerange*);
/* create new range [min(a,b), max(a,b)] */
Filerange text_range_new(size_t a, size_t b);
/* test whether two ranges overlap */
bool text_range_overlap(Filerange*, Filerange*);
#endif
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