From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Haertel <mike@ducky.net>
Message-Id: <200203151840.g2FIeZI02011@ducky.net>
To: 9fans@cse.psu.edu
Subject: Re: macro fun [Re: [9fans] plan or side effect]
In-Reply-To: <4da3d9af.0203150929.1d3154d2@posting.google.com>
Date: Fri, 15 Mar 2002 10:40:35 -0800
Topicbox-Message-UUID: 68255d24-eaca-11e9-9e20-41e7f4b1d025

>this is absolute crap. here is t.c. so obvious, i'm surprised
>you of all people had to comment.
>
>	#include <stdio.h>
>	#include <string.h>
>	
>	extern char *strcpy(char *, const char *);
>
>	int main(int argc, char **argv) {
>        	char buf[10];
>	        strcpy(buf, "hello boyd!");
>	        printf("%s\n", buf);
>        	return 0;
>	}

This is not strictly conforming.

 From the C89 standard, section 4.1.6, "Use of Library Functions":

"Any function declared in a header may additionally be implemented
as a macro defined in the header, so a library function should not
be declared explicitly if its header is included."