From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <9145ae4c60f297377e27722c38bd8449@swtch.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] A Plan 9 C request....
From: "Russ Cox" <rsc@swtch.com>
Date: Wed,  1 Mar 2006 13:32:43 -0500
In-Reply-To: <59a908a62c52dd9ff6252fe697d37a87@coraid.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Topicbox-Message-UUID: 08830dce-ead1-11e9-9d60-3106f5b1d025

> Does that mean the following will compile?
>
>     1	void
>     2	f(void)
>     3	{
>     4		i = 3;
>     5		put(i);
>     6		for (int i = 0; i < 3; i++)
>     7			put(i);
>     8		if (i == 4) put(4);
>     9	}

No, because i is undeclared at line 4.
It's still not a good example.  Here's a better one:

void
main(void)
{
	int i = 100;
	for (int i = 0; i < 3; i++)
		printf("%d\n", i);
	printf("%d\n", i);
}

It prints 0 1 2 100.

Russ