Re: insert-header-preprocessor-definition

[Emanuel Berg]

Ben Bacarisse wrote:

> The C standard lists, for every header, any
> patterns of macro names that are reserved to
> the implementation. errno.h, for example,
> reserves all macro names that start
> E followed by a digit or another upper case
> latter. Thus a program that uses ERROR_H
> whilst also including errno.h is technically
> undefined even if errno.h does not actually
> use that macro name.
>
> None of the headers reserve any names that
> start H_

Right, but what about stuff that aren't part of
the C standard library?

-- 
underground experts united
http://user.it.uu.se/~embe8573