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From: ark@alice.UUCP (Andrew Koenig)
Newsgroups: comp.lang.c
Subject: Re: Prototyping char parameters in ANSI C
Message-ID: <9250@alice.UUCP>
Date: 27 Apr 89 14:30:03 GMT
References: <3950014@eecs.nwu.edu>
Organization: AT&T Bell Laboratories, Liberty Corner NJ
Lines: 35

In article <3950014@eecs.nwu.edu>, gore@eecs.nwu.edu (Jacob Gore) writes:
> Is this valid ANSI C (or dpANS or whatever you want to call it):
> 
> 	void f(char);
> 
> 	void f(c)
> 	   char c;
> 	{
> 	}

No.

When you say

	void f(c)
		char c;
	{ /* stuff */ }

that is essentially equivalent to:

	void f(int c_temp)
	{
		char c = c_temp;
		{ /* stuff */ }
	}

Neither is equivalent to

	void f(char c)
	{ /* stuff */ }

See page 60 of `C Traps and Pitfalls.'
-- 
				--Andrew Koenig
				  ark@europa.att.com