Path: utzoo!utgpu!water!watmath!clyde!att!whuts!homxb!mhuxu!m10ux!rgr
From: rgr@m10ux.UUCP (Duke Robillard)
Newsgroups: comp.lang.c
Subject: Re: Are strings local?
Keywords: Help!
Message-ID: <652@m10ux.UUCP>
Date: 3 Aug 88 18:03:40 GMT
References: <644@m10ux.UUCP> <12791@mimsy.UUCP>
Reply-To: rgr@m10ux.UUCP (Duke Robillard)
Organization: AT&T Bell Labs, Murray Hill
Lines: 29

In article <12791@mimsy.UUCP> chris@mimsy.UUCP (Chris Torek) writes...
...an explaination of my string dilemma.  Thanks to Chris and everyone
else who helped me out.

During my search about this locality of statics business, I discovered
a pretty bizarre thing about strings.  I dunno if it's just my System
V compiler or what, but you can write to strings (since they're just
static arrays of characters?) Like:

main() 
{
	char *p;

	p= "abc";
	p[2]= 'd';
	printf("%s\n", p);   /* this will print "abd\n" */

        /* or, if you'd like to be even more obscure... */
	(p= "def")[2]= 'x';
	printf("%s\n", p);   /* this will print "abx\n" */
}

Pretty weird, huh?


-- 
+------
|       Duke Robillard 
|       AT&T Bell Labs           {backbone!}att!m10ux!rgr
|       Murray Hill, NJ          rgr@m10ux.ATT.COM