Maciej Sobczak expounded in news:be7c80ac-3fce-4779-8542-
115567f649de@g17g2000yqe.googlegroups.com:

> On 16 Sie, 16:54, Warren <ve3...@gmail.com> wrote:
> 
>> > const int MC_CTL_LOCAL_C �= 0x80;
>> > and so on.
> 
>> Another approach is to declare them as enums. But this
>> is unhelpful because they are all implemented as int's.
> 
> No. Enums are separate types.

They are considered different "types" but (in C at least),
they're implemented as ints. IOW, you can't mix the enums
but you can supply an enum in an int argument.

>> Further, the switch statement doesn't tell you about the
>> cases which are missing.
> 
> Try g++ -Wswitch.

GCC extension. Try it on HP or AIX C compiler.

Warren