add_to_index      348 cache.h        #define add_to_cache(path, st, flags) add_to_index(&the_index, (path), (st), (flags))
add_to_index      544 cache.h        extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags);
add_to_index      729 read-cache.c   	return add_to_index(istate, path, &st, flags);