fli:make-pointer
(fli:make-pointer &key address type pointer-type)
A foreign pointer to address of the FLI type type (or the pointee of pointer-type), :void by default. Nothing is allocated. Part of the macOS-only fli package, beside objc -- the interpreter (java -jar, or the rontolisp native binary), a compiled .class / .jar and a --native executable for macOS on Apple silicon, never a .wasm. See the macOS GUI guide.
CL-USER> (fli:make-pointer :address 4096 :type :int)
#<Pointer to type :INT = #x0000000000001000>