OpenPTC 1.0 DOS Distribution Extensions
-----------------------------------------


The core platform independent standard of OpenPTC 1.0
exposes a lot of common functionality across a large
range of different graphics platforms.

However, some things, no matter how useful, just dont
make any sense in a platform independent standard so
they have been left out.

So that users of PTC can still have full access to the
underlying graphics platform, each distribution implements
extensions to the standard. These extensions are protected
by a signature define for portability.

The signature define of this PTC distribution is __PTC_DOS__.
If you choose to use any of the extensions below, you should
make sure that you wrap the code with #ifdef __PTC_DOS__
to ensure that your code will still be portable.

You can also use the signature define to wrap around the
WinMain and main so that your application is compilable
on Win32 and other platforms without any changes.

Here is a list of extension functions that are provided by
PTC for Dos:

1) Hmm... none available yet

2) Are there any missing extensions?

 - Do you require any other extension functions to make the most
   out of PTC for Dos?
 - If so, post a request to the newsgroup news.scene.org/coders.ptc
   and we will see what we can do about it as soon as possible.
