CTEXTSTR result;
POINTER data = NULL;
for( result = GetFirstRegisteredName( "some/class/path", &data );
     result;
     result = GetNextRegisteredName( &data ) )
{
     // result is a string name of the current node.
     // can use that name and GetRegistered____ (function/int/value)
     if( NameHasBranches( &data ) ) // for consitancy in syntax
     {
         // consider recursing through tree, name becomes a valid classname for GetFirstRegisteredName()
     }
}