allow_duplicates 51 ext/zip/lib/zip_unchange.c _zip_unchange(struct zip *za, zip_uint64_t idx, int allow_duplicates) allow_duplicates 60 ext/zip/lib/zip_unchange.c if (!allow_duplicates && za->entry[idx].changes && (za->entry[idx].changes->changed & ZIP_DIRENT_FILENAME)) {