![[LISPWORKS]](../Graphics/LWSmall.gif)
![[Common Lisp HyperSpec (TM)]](../Graphics/CLHS_Sm.gif) 
 ![[Previous]](../Graphics/Prev.gif)
![[Up]](../Graphics/Up.gif)
![[Next]](../Graphics/Next.gif)
The device might be a string, :wild, :unspecific, or nil.
Note that :wild might result from an attempt to read[1] the pathname component, even though portable programs are restricted from writing[1] such a component value; see Section 19.2.2.3 (Restrictions on Wildcard Pathnames) and Section 19.2.2.5 (Restrictions on Constructing Pathnames).
![[Starting Points]](../Graphics/StartPts.gif)
![[Contents]](../Graphics/Contents.gif)
![[Index]](../Graphics/Index.gif)
![[Symbols]](../Graphics/Symbols.gif)
![[Glossary]](../Graphics/Glossary.gif)
![[Issues]](../Graphics/Issues.gif)