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From: gwyn@Brl.ARPA (VLD/VMB)
Newsgroups: net.lang.c
Subject: Re:  Casting call
Message-ID: <10946@brl-tgr.ARPA>
Date: Thu, 23-May-85 08:26:08 EDT
Article-I.D.: brl-tgr.10946
Posted: Thu May 23 08:26:08 1985
Date-Received: Fri, 24-May-85 08:26:49 EDT
Sender: news@brl-tgr.ARPA
Lines: 9

>> #define FREE(ptr)	{  free((char *) ptr); ptr = (typeof ptr) NULL;  }

> ... If we were using ANSI C, ...

One doesn't even need any of the new ANSI C features:

#define	FREE( ptr )	( free( (char *)ptr ), ptr = NULL )

since one can always assign 0 (NULL) to any pointer type.