longest_ancestor_length  930 cache.h        int longest_ancestor_length(const char *path, struct string_list *prefixes);
longest_ancestor_length  832 setup.c        		ceil_offset = longest_ancestor_length(cwd.buf, &ceiling_dirs);
longest_ancestor_length   91 test-path-utils.c 		len = longest_ancestor_length(path, &ceiling_dirs);