func Msg(m []string) {
l := C.int(len(m))
argv := C.newCArray(l)
for i, v := range m {
C.setCArray(argv, C.int(i), C.CString(v))
}
defer C.freeCArray(argv, l)
C.msg(l, argv)
}
func Msg() string {
r := C.GoString(C.msg())
return r
}