ref: 285eed097e28f83508756326297365d8f94f3e92
dir: /lib/System/Cmd.hs/
module System.Cmd(system) where import Prelude(); import MiniPrelude import Foreign.C.String import System.Exit foreign import ccall "system" c_system :: CString -> IO Int system :: String -> IO ExitCode system s = do r <- withCAString s c_system return $ if r == 0 then ExitSuccess else ExitFailure r