golang C相互调用带参数

test.h

#ifndef __TEST_H__
#define __TEST_H__

void SetFunc(char* str);
extern void InternalFunc(char* str);

#endif

test.c

#include "test.h"

void SetFunc(char* str)
{ 
    InternalFunc(str);
}

test.go

package main

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

import "fmt"

var function func(str *C.char)

//export InternalFunc
func InternalFunc(str *C.char) {
    function(str)
}

func Register(fnct func(str *C.char)) {
    function = fnct
    cs := C.CString("aaaaaaaaaaa")
    C.SetFunc(cs)
}

func test(str *C.char) {
    fmt.Println("How should I do it", C.GoString(str))
}

func main() {
    Register(test)
}