typedef void * CGSGenericObj;
typedef CGSGenericObj CGSValueObj;
typedef void * CGSConnectionID;
typedef void * CGSWindowID;
typedef struct CGStyle *CGStyleRef;
typedef struct CGShadowStyle {
typedef void * CGSGenericObj;
typedef CGSGenericObj CGSValueObj;
typedef void * CGSConnectionID;
typedef void * CGSWindowID;
typedef struct CGStyle *CGStyleRef;
typedef struct CGShadowStyle {