我将构建一个将字符串传回Java的Go共享对象二进制文件(.DLL和.so)。为了计算从Go传递的C字符串，我写了这个:packagemain/*#include*/import"C"import("log""unsafe")//exportpassBackHellofuncpassBackHello(buf**C.char)C.int{str:="HelloWorld!"length:=len(str)cString:=C.CString(str)//returns*C.chardeferC.free(unsafe.Pointer(cString))log.Println("Inpa