Function:     AXUNIT

Purpose:      Returns the units of the physical coordinates of an
              axis in a set.

Category:     PHYSICAL COORDINATES

File:         cotrans.c

Author:       K.G. Begeman

Declaration:  INTEGER AXUNIT

Use:          INTEGER AXUNIT( SET   ,  Input    character*(*)
                              AXNUM ,  Input    integer
                              CUNIT )  Output   character*(*)

              AXUNIT  Returns:
                      0 successful return of axis units.
                      1 a cotrans error occured.
                      2 axis not present in set.
                      3 output character string not large enough.
              SET     Name of GDS database.
              AXNUM   Axis number for which the units should be returned.
              CUNIT   The physical units of the axis (as returned by
                      cotrans).

Updates:      Jan  3, 1990: KGB Original document.