int read_dig ( FILE *, struct Map_info *, struct Line **, int, int );
int read_att (FILE *, struct Categ **);
double ldist (double, double, struct Line *);
int old2new (char *, char *, int);
int new2old (char *, char *);
char dig_old_to_new_type (char);
int attributes (char *in, struct Map_info *Out );