opencv/highgui.go
func initSystem(args []string) int {
	argc := C.int(len(args))
	argv := make([]*C.char, len(args))
	for i := 0; i < len(args); i++ {
		argv[i] = C.CString(args[i])
	}
	rv := C.cvInitSystem(argc, (**C.char)(unsafe.Pointer(&argv)))
	return int(rv)
}
func initSystem(args []string) int {
	argc := C.int(len(args))
	argv := make([]*C.char, len(args))
	for i := 0; i < len(args); i++ {
		argv[i] = C.CString(args[i])
	}
	rv := C.cvInitSystem(argc, (**C.char)(unsafe.Pointer(&argv)))
	return int(rv)
}
/*****************************************************************************\
*                         Basic GUI functions                                 *
\*****************************************************************************/
/* this function is used to set some external parameters in case of X Window */