321     env = args[-1]
322     execve(file, args[:-1], env)
337     env = args[-1]
338     execvpe(file, args[:-1], env)
348 def execvpe(file, args, env):  argument
355     _execvpe(file, args, env)
359 def _execvpe(file, args, env=None):  argument
360     if env is not None:
362         argrest = (args, env)
366         env = environ
372     if 'PATH' in env:
373         envpath = env['PATH']
376     PATH = envpath.split(pathsep)
379     for dir in PATH:
531     def _spawnvef(mode, file, args, env, func):  argument
537                 if env is None:
540                     func(file, args, env)
567     def spawnve(mode, file, args, env):  argument
575         return _spawnvef(mode, file, args, env, execve)
589     def spawnvpe(mode, file, args, env):  argument
597         return _spawnvef(mode, file, args, env, execvpe)
620         env = args[-1]
621         return spawnve(mode, file, args[:-1], env)
648         env = args[-1]
649         return spawnvpe(mode, file, args[:-1], env)