/** @mainpage

<img src="../../gmsec_logo.png" width="150" height="150" style="margin: 0px 20px 0px 20px;" align="left">

This is the Goddard Mission Services Evolution Center (GMSEC) Application Programming Interface (API)
Release 3.x for the C programming language.

The GMSEC API is an open source message oriented middleware abstraction layer.  Releases can be
downloaded at <a href="http://opensource.gsfc.nasa.gov">http://opensource.gsfc.nasa.gov</a>.

Please visit the GMSEC home page <a href="http://gmsec.gsfc.nasa.gov">http://gmsec.gsfc.nasa.gov</a>
for an introduction to the project.

<br>
<br>
<br>
Customers are welcome to contact the GMSEC API team at <a href="mailto://gmsec-support@lists.nasa.gov">gmsec-support@lists.nasa.gov</a>
for assistance.

<H3>
IMPORTANT: The pages associated with this documentation reference the C++ interface of API 3.x,
which will be deprecated.
<br>
<br>
For new software development, please refer to the newer <a href="../cpp_4x/index.html">API 4.x interface</a>.
</H3>

*/