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From: pasm@pur-ee.UUCP (PASM Parallel Processing Laboratory)
Newsgroups: net.lang,net.lang.c
Subject: Re: structured assembler (BASIC)  [Really: C builtin functions?]
Message-ID: <4017@pur-ee.UUCP>
Date: Thu, 10-Apr-86 22:55:10 EST
Article-I.D.: pur-ee.4017
Posted: Thu Apr 10 22:55:10 1986
Date-Received: Sat, 19-Apr-86 03:58:39 EST
References: <443@3comvax.UUCP> <7900003@ztivax.UUCP>
Reply-To: kuehn@pur-ee.UUCP (PASM Parallel Processing Laboratory)
Organization: Electrical Engineering Department , Purdue University
Lines: 21
Xref: watmath net.lang:2365 net.lang.c:8609

>>C has standard built-in functions????
>>
>>Gee, that's a new one on me.  EVERY function called from C is an external func-
>>tion, or at least it was when C began. 
>
>You are sort of right,  but sizeof qualifies as a builtin function, 
>even though it is a compile-time function vs run-time.   Anyone disagree?

	Yep, I disagree: sizeof is an OPERATOR.  See K&R p. 49.
	You might write something like:
		sizeof(int)

	which LOOKS like a function call to the uninitiated,
	but you can just as correctly write:
		sizeof int

	What the heck is a compile-time function?  Real useful -
	functions that return constants.  Come on now.

	(Jim Kuehn; kuehn@ed.purdue.edu; ...ihnp4!pur-ee!kuehn)
--jk