ROUTINE
-------

INT_ ug_io_convert_2d (char Input_File_Name[],
                       char Output_File_Name[],
                       INT_ Task_Flag)

DESCRIPTION
-----------

Convert standard UG 2D grid or node files.

INPUT ARGUMENTS
---------------

Input_File_Name          : Input 2D grid or node file name.

Output_File_Name         : Output 2D grid or node file name.

Task_Flag                : Task flag.
                           If Task_Flag = 1 then no output summary of parameter
                           information.
                           If Task_Flag = 2 then no output full parameter
                           information.
                           If Task_Flag = 3 then convert a 2D grid or node file.

RETURN VALUE
------------

0                        : No errors occurred reading or writing the files.
!=0                      : Errors occurred reading or writing the files.
                           The return value will be between 600 and 699 or
                           between -600 and -699.
