A foreign type for pointers to Objective-C class objects.
objc
objc-class
None.
The FLI type objc-class is a pointer type that is used to represent pointers to Objective-C class objects. This is like the Class type in Objective-C.
Class
objc-object-pointer
LispWorks Objective-C and Cocoa Interface User Guide and Reference Manual - 21 Mar 2017