Freeing a C resource produced by Go code

resp.go

package main

/*
#include <stdlib.h>

typedef struct {
	 char *response;
} Resp;
*/
import "C"
import "unsafe"

//export getResponse
func getResponse() C.Resp {
	// b := C.CString(Response.respBody)
	// defer C.free(b)

	return C.Resp{
		response: C.CString("abcde"),
	}
}

//export freeResponse
func freeResponse(response *C.char) {
	C.free(unsafe.Pointer(response))
}

func main() {
}

session.txt

$ go build -o getresp.so -buildmode=c-shared ./gocode
$ gcc -o useresp useresp.c ./getresp.so
$ ./useresp 
0x0x562d23abd3d0
$ echo $?
0

useresp.c

#include <stdio.h>

#include "getresp.h"

int main(void)
{
	Resp resp;

	resp = getResponse();

	printf("0x%08p\n", resp.response);

	freeResponse(resp.response);

	return 0;
}