      L502  E502   "Borland C++ Builder".
      "Borland C++ Builder 6" (x502_example.dpr)  
 "Embarcadero C++ Builder XE" (x502_example.cbproj)

    ,      , 
        x502api.h, e502api.h, l502api.h  lcard_pstdint.h   
   x502api.lib, e5l502api.lib  l502api.lib  ,      (  SDK_DIR/lib/borland).

          L502  E502,     
  C++ Builder.

           
       ,   
 /   ,       .

      (X502_ProcessThread),  
    .    ,     
  (          ).