NULL Constant

alloc.h, args.h, cert.h, dialogs.h, events.h, flash.h, kbd.h, link.h, mem.h, menus.h, stddef.h, stdio.h, stdlib.h, string.h, vat.h, wingraph.h

#define NULL ((void *) 0)

A null-pointer value.

NULL is a null-pointer value, defined as a pointer to the address 0.