void add_exclude (struct exclude *, char const *, int);
int add_exclude_file (void (*) (struct exclude *, char const *, int),
struct exclude *, char const *, int, char);
void add_exclude (struct exclude *, char const *, int);
int add_exclude_file (void (*) (struct exclude *, char const *, int),
struct exclude *, char const *, int, char);