+# endif /* not __STDC__ */
+# endif /* not POINTER_TYPE */
+
+# ifndef NULL
+# define NULL 0
+# endif
+
+/* Different portions of Emacs need to call different versions of
+ malloc. The Emacs executable needs alloca to call xmalloc, because
+ ordinary malloc isn't protected from input signals. On the other
+ hand, the utilities in lib-src need alloca to call malloc; some of
+ them are very simple, and don't have an xmalloc routine.