func main() {
var a, b int = 1, 2
r := C.sum(C.int(a), C.int(b)) // C 언어 함수 sum 호출
fmt.Println(r) // 3
C.hello() // Hello, world!
}
func main() {
r := C.rand()
fmt.Println(r)
var a, b int = 10, 20
r = C.sum(C.int(a), C.int(b))
fmt.Println(r)
r = C.sum(C.int(20), C.int(30))
fmt.Println(r)
C.hello()
}
func main() {
Seed(1000)
fmt.Println(int(C.random()))
time.Sleep(time.Duration(1) * time.Second)
fmt.Println(int(C.random()))
fmt.Println("getpid:", int(C.getpid()))
C.puts(C.CString("call C puts"))
Hello("call C's go wrapper func")
C.hello(C.CString("call C hello func"))
}
func Hello(s string) {
cs := C.CString(s)
C.hello(cs)
}
func main() {
C.hello()
}
func Hello() {
C.hello()
}
func main() {
C.hello(C.CString("John Smith"))
}
func Hello() int {
return int(C.hello())
}