Re: ObjC BOOL and boolean c expressions

FROM : Clark Cox
DATE : Fri Aug 31 20:00:35 2007

On 8/31/07, John Stiles <<email_removed>> wrote:
> I *think* that the C spec doesn't specify the result of a boolean
> expression other than "zero means false, nonzero means true."


No, *all* of C's operators that return a boolean result return either
1 or 0. So the result of any of:

(==,!=,<,>,<=,>=,!,&&,||)

will never be anything but 1 or 0. This is also true in C++ (unless
one of the operators is overloaded to do something else).

--
Clark S. Cox III
<email_removed>