1  #define DWG_TYPE DWG_TYPE_CIRCLE
       2  #include "common.c"
       3  
       4  void
       5  api_process (dwg_object *obj)
       6  {
       7    int error;
       8    double radius, thickness;
       9    dwg_point_3d center, extrusion;
      10  
      11    dwg_ent_circle *circle = dwg_object_to_CIRCLE (obj);
      12  
      13    CHK_ENTITY_3RD_W_OLD (circle, CIRCLE, center);
      14    CHK_ENTITY_TYPE_W_OLD (circle, CIRCLE, radius, BD);
      15    CHK_ENTITY_TYPE_W_OLD (circle, CIRCLE, thickness, BD);
      16    CHK_ENTITY_3RD_W_OLD (circle, CIRCLE, extrusion);
      17  }