(MODCACHE)
 ap_cache_request_is_conditional,
 ap_cache_reset_output_filters,
 ap_cache_get_cachetype,
 ap_cache_liststr,
 ap_cache_tokstr,
 ap_cache_hex2usec,
 ap_cache_usec2hex,
 generate_name,
 cache_hook_create_entity,
 cache_hook_open_entity,
 cache_hook_remove_url