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From: gwyn@smoke.brl.mil (Doug Gwyn)
Newsgroups: comp.lang.c
Subject: Re: is (int (*)())NULL legal when NULL is (void *)0?
Message-ID: <14457@smoke.brl.mil>
Date: 14 Nov 90 15:22:06 GMT
References: <1391@gtx.com>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 9

In article <1391@gtx.com> randy@gtx.UUCP (Randy D. Miller) writes:
-Can NULL always be cast to a function pointer, even in implementations
-that legally define NULL as (void *)0?  For example, are the following
-lines legal?
-   /* example 1 */     int (*f1)(void) = NULL;
-   /* example 2 */     int (*f2)(void) = (int (*)(void))NULL;

No, the second is not required to be supported by the implementation,
but the first is (3.2.2.3).