[clisp-list] FFI:SET-FOREIGN-POINTER and FFI:VALIDP

[Yaroslav K. <kav...@je...>]

using of FFI:SET-FOREIGN-POINTER and FFI:VALIDP is necessary or is
recommended? (it are used in the postgresql, but not used in the win32)

It is possible to deduce criterion of necessity of use it?

Thanks!

-- 
WBR, Yaroslav Kavenchuk.