extern CGSValueObj CGSCreateCString(const char *string);
extern CGSValueObj CGSCreateBoolean(CGSBoolean boolean);
extern CGError CGSSetWindowProperty(const CGSConnectionID cid, CGSWindowID wid, const CGSValueObj key, const CGSValueObj value);
extern CGSValueObj CGSCreateCString(const char *string);
extern CGSValueObj CGSCreateBoolean(CGSBoolean boolean);
extern CGError CGSSetWindowProperty(const CGSConnectionID cid, CGSWindowID wid, const CGSValueObj key, const CGSValueObj value);