l components of the derived type are
PRIVATE and not accessible to the application. However, the application
simply passes these variables around, and never needs to access the internal
components.
<h3>
<a NAME="fortran ug api IDs"></a>Global and local IDs</h3>
While the C implementation uses arrays of unsigned integers to represent
<a href="ug_usage.html#Data Types for Object IDs">global and local IDs</a>,&nbsp;
the Fortran interface uses arrays of integers, as unsigned integers are
not available in Fortra