Standardization questions (cpp mostly)

[Joe Mueller]

> I hope that the standard will allow you to turn off all predefined
> preprocessor variables, and give an exception list (that your program needs to
> have).  Things like '__LINE__' and '__FILE__' are too good to loose (in
> certain applications) just because the local C compiler defines 'stack' (in a
> mistaken attempt to tell you that you are executing on a stack machine, or
> something...)  I don't want to be forced to throw out the baby with the bath
> water.

> Rick Thomas

Point well taken! I forgot to mention there will be a list of
macros that will not be disabled by the "magic flag". __LINE__ and
__FILE__ are among these. I can't remember if there are any more.