Lua语言如何调用自己编写的C DLL文件#include "lua.h"#include "lualib.h"#include "lauxlib.h"#include 
     
      static int MyLuaDLL_HelloWorld(lua_State* L){     MessageBox(NULL,"Hello","World",MB_OK);     return 0;}static int MyLuaDLL_average(lua_State *L){         int n = lua_gettop(L);     double sum = 0;     int i;         for (i = 1; i <= n; i++)     {                 sum += lua_tonumber(L, i);     }         lua_pushnumber(L, sum / n);         lua_pushnumber(L, sum);         return 2;}static const luaL_reg MyLuaDLLFunctions [] ={     {"HelloWorld",MyLuaDLL_HelloWorld},     {"average",MyLuaDLL_average},     {NULL, NULL}};int __cdecl __declspec(dllexport) luaopen_MyLuaDLL(lua_State* L){     luaL_openlib(L, "MyLuaDLL", MyLuaDLLFunctions, 0);     return 1;} -- lua code: --local testlib = package.loadlib("Lua_Dll.dll","luaopen_MyLuaDLL");   --获取DLL中抛出函数地址print (testlib) if(testlib)then    testlib();  --调用DLL中抛出函数else    -- ErrorendMyLuaDLL.HelloWorld();a,b=MyLuaDLL.average(23,33,3344);print("average:",a,"sum:",b);--------------------------------------------my.c文件：#include "stdafx.h"#include 
      
       #include "my.h"static int pri(lua_State *L){  MessageBox(NULL,"Hello","this is a c program!",MB_OK); return 0;}static const struct luaL_Reg mylib[]={ {"pri",pri}, {NULL,NULL}};__declspec(dllexport) int luaopen_mylib (lua_State* L){ luaL_register(L,"mylib",mylib); return 1;}my.h文件：#include "lua.h" #include "lualib.h"#include "lauxlib.h"#pragma   comment(lib,"lua5.1.lib")test.lua文件：local a=package.loadlib("my.dll","luaopen_mylib");a()mylib.pri()