move out c/cpp/py

cl/_testrt/any/in.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"github.com/goplus/lib/c"
+)
+
+func hi(a any) *c.Char {
+	return a.(*c.Char)
+}
+
+func incVal(a any) int {
+	return a.(int) + 1
+}
+
+func main() {
+	c.Printf(c.Str("%s %d\n"), hi(c.Str("Hello")), incVal(100))
+}