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#include "sc.h"
struct srange {
int tlrow; // top left row
int tlcol; // top left col
int brrow; // bottom right row
int brcol; // bottom right col
int orig_row; // row of selected cell before creating range
int orig_col; // col of selected cell before creating range
char marks[2]; // marks used for creating the range
int selected;
struct srange * pnext;
};
typedef struct srange srange;
extern srange * ranges;
srange * create_range(char c, char d, struct ent * tl, struct ent * br);
int find_range(char * name, int len, struct ent * lmatch, struct ent * rmatch, struct range ** rng);
void unselect_ranges();
void free_ranges ();
void del_ranges_by_mark (char c);
srange * get_range_by_pos(int pos);
srange * get_range_by_marks (char c, char d);
int is_range_selected();
srange * get_selected_range();
srange * create_custom_range(int tlrow, int tlcol, int brrow, int brcol);
void free_custom_range(srange * sr);
void clean_range();
void add_range(char * name, struct ent_ptr left, struct ent_ptr right, int is_range);
void del_range(struct ent * left, struct ent * right);
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