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Date: Thu, 22 Mar 2012 21:29:01 -0500
From: pete <pfiland@mindspring.com>
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Subject: Re: bitwise ORing
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Xref: csiph.com comp.lang.c:18949

Bill Cunningham wrote:
> 
>     What would a function prototype
> look like that takes one parameter but
> several options can be OR'd together in that parameter? For example:
> 
> function(LEFT|RIGHT);
> 
> What would the parameter source code look like?

/* BEGIN new.c */

#include <stdio.h>

#define LEFT        0xdead0000
#define RIGHT       0x0000beef

void
function(long unsigned X)
{
    printf("\n%lx\n", X);
}

int
main(void)
{
    function(LEFT|RIGHT);
    return 0;
}

/* END new.c */


-- 
pete