runtime.EnterSyscall()
	r0, e2, e1 := CallLeFuncWithErr(GetZosLibVec()+SYS_CLOSEDIR<<4, dir)
	runtime.ExitSyscall()
	if r0 != 0 {
		return errnoErr2(e1, e2)
	}
	return nil
}

func Seekdir(dir uintptr, pos int) {
	runtime.EnterSyscall()
	CallLeFuncWithErr(GetZosLibVec()+SYS_SEEKDIR<<4, dir, uintptr(pos))
	runtime.ExitSyscall()
}

func Telldir(dir uintptr) (int, error) {

				}
			}
		}
	}

	// Update the work file.
	for absDir, keepDir := range keepDirs {
		nKept := 0
		for _, dir := range haveDirs[absDir] {
			if dir == keepDir { // (note that dir is always non-empty)
				nKept++
			} else {
				wf.DropUse(dir)
			}
		}
		if keepDir != "" && nKept != 1 {
			// If we kept more than one copy, delete them all.