nested_cgo_test.go

==> ./sub/ctpkg.c <==
#include <stdio.h>

void PrintIt() {
    printf("PASS\n");
}

==> ./sub/cgotpkg.go <==
package tpkg

// #include "ctpkg.h"
import "C"

func TestIt() {
        C.PrintIt()
}

==> ./cgosub.go <==
package main

import (
        "sub/tpkg"
)

func main() {
        tpkg.TestIt()
}