Path: utzoo!utgpu!watserv1!watmath!att!att!linac!pacific.mps.ohio-state.edu!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!aplcen!haven!adm!smoke!gwyn
From: gwyn@smoke.brl.mil (Doug Gwyn)
Newsgroups: comp.lang.c
Subject: Re: is (int (*)())NULL legal when NULL is (void *)0?
Message-ID: <14517@smoke.brl.mil>
Date: 17 Nov 90 21:04:54 GMT
References: <14484@smoke.brl.mil> <14498@smoke.brl.mil> <27780@mimsy.umd.edu>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 8

In article <27780@mimsy.umd.edu> chris@mimsy.umd.edu (Chris Torek) writes:
>This would make it difficult to pass a `nil pointer to function of no
>arguments returning int' to a function for which no prototype can be
>provided.

But not impossible, as a suitable pointer variable initialized to a null
pointer (trivially accomplished) could be used.  You could even define
it to be const-qualified and hope the compiler is good at optimizations.