move out c/cpp/py

cl/_testlibc/setjmp/in.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"github.com/goplus/lib/c"
+)
+
+func main() {
+	jb := c.AllocaSigjmpBuf()
+	switch ret := c.Sigsetjmp(jb, 0); ret {
+	case 0:
+		cstr := c.Str("??Hello, setjmp!\n")
+		c.Fprintf(c.Stderr, c.Str("%s"), c.Advance(c.Pointer(c.Advance(cstr, 1)), 1))
+		c.Siglongjmp(jb, 1)
+	default:
+		println("exception:", ret)
+	}
+}