OUEXSU ( surf, profil, path, sense, ifail )
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  Output extruded surface

Receives:
  KI_tag_surface           *surf           --- extruded surface to output

Returns:
  KI_tag_curve             *profil         --- curve extruded
  KI_vec_direction          path           --- direction of sweep
  KI_cod_logical           *sense          --- surface sense
  KI_cod_error             *ifail          --- error code

Specific errors:
  KI_unsuitable_entity      Entity is not a surface of linear extrusion

Description:

  The details of a surface of linear extrusion (type TYSUSE) are
  returned.