mirror($locpath, $rempath)

elapsed_time([$decimals = 6])

total_items()

database_exists($database_name)

increment_string($str[, $separator = '_'[, $first = 1]])

set_radio($field[, $value = ''[, $default = FALSE]])

class CI_URI segment($n[, $no_result = NULL])

repair_table($table_name)

chmod($path, $perm)

send_success()