Werte von struct-member ändern

typedef enum  { eWS_Ly1_INTR,           

                eWS_Ly1_MAIN,           

                eWS_Ly1_RMT,            

                eWS_Ly1_FW,             

                eWS_Ly1_DT,             

                eWS_Ly1_NONE            

              }

        tWS_Ly1;

typedef enum  { eWS_Ly2_OP,             

                eWS_Ly2_CL,             

                eWS_Ly2_STP,            

                eWS_Ly2_CAL,            

                eWS_Ly2_BK_Ly1,         

                eWS_Ly2_NONE            

              }

        tWS_Ly2;

typedef enum  { eWS_Ly3_FW_DW,          

                eWS_Ly3_BK_Ly1,         

                eWS_Ly3_NONE            

              }

        tWS_Ly3;

typedef struct{ 

                tWS_Ly1 Ly1;

                tWS_Ly2 Ly2;

                tWS_Ly3 Ly3;

              }

        tWS_Layer;              // Struct Identifier

// prototypes

tWS_Layer WindowsLayerState = { eWS_Ly1_INTR,

                                eWS_Ly2_NONE,

                                eWS_Ly3_NONE,

                              };

tWS_Layer WidwsSt;

WidwsSt.Ly1 = eWS_Ly1_FW;

set_WindowsLayerState(WidwsSt);

void set_WindowsLayerState(tWS_Layer ws)

{ 

   WindowsLayerState = ws;

}