Path: utzoo!utgpu!water!watmath!clyde!rutgers!cmcl2!brl-adm!umd5!mimsy!chris
From: chris@mimsy.UUCP (Chris Torek)
Newsgroups: comp.lang.c
Subject: Re: procedure pointer question
Message-ID: <10198@mimsy.UUCP>
Date: 15 Jan 88 17:35:01 GMT
References: <861@xn.LL.MIT.EDU>
Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742
Lines: 16

In article <861@xn.LL.MIT.EDU> cogen@XN.LL.MIT.EDU (David Cogen) writes:
-  double sin ();
-  double (*fun) ();
-
-  fun = sin;
-  printf ("%f %f", fun(1), (*fun)(1));
-
-Both invocations of fun work and give the correct result. But it seems that one
-of the invocations is wrong (the first). Why do they both work?

The first one is not allowed by K&R, but is allowed by the dpANS.  The
first invocation works because PCC lets it work.  (And what the compiler
does defines the language :-) ... well, this time.)
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain:	chris@mimsy.umd.edu	Path:	uunet!mimsy!chris