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From: buls@dataio.UUCP (Rick Buls)
Newsgroups: net.lang.c
Subject: Quiz for Novice to Intermediate C Users
Message-ID: <646@dataio.UUCP>
Date: Wed, 17-Apr-85 17:35:51 EST
Article-I.D.: dataio.646
Posted: Wed Apr 17 17:35:51 1985
Date-Received: Thu, 18-Apr-85 05:20:36 EST
Distribution: na
Organization: Data I/O Corp., Redmond WA
Lines: 29

/*
**	Ok netland its C quiz time. Not to be found in 
**	"The C Puzzle Book" by Alan Feuer.
**	
**	Below is a C program that tests the famous foo.
**	
**	The question:	what does the following program print?
**	
**	Spoiler:	The answer is NOT "foo returns 5"
**	
*/

#define	dum(x)		/* empty debug macro */

main()
{
	printf("foo returns %d\n",foo());  /* print answer */
}

foo()
{
	int a,b,*p= &a;		/* p points to a */

	b=10;
	*p=2;			/* set a to 2 */
	a=b/*p;			/* div b by contents of pointer(ie a) */
	dum(a);
	return(a);
}