如何在Lua中调用C语言编译的动态链接库

看云上的《Lua编程入门》，比《Lua程序设计（第2版）中文》好多了
https://www.kancloud.cn/thinkphp/lua-guide/43809

SF上的编译Lua源码
https://segmentfault.com/a/1190000004904799

源码下载地址
http://www.lua.org/ftp/lua-5.3.4.tar.gz

> require "WinFeature"
> for k, v in pairs(WinFeature) do
>>      print(k, v)
>> end
ShowMsgBox functon:0028AB90
>

dlltest = require "WinFeature"
for k, v in pairs(dlltest) do
print(k, v)
end
dlltest.ShowMsgBox()

extern "C" __declspec(dllexport)  
int luaopen_WinFeature(lua_State* luaEnv)  
{  
    const char* const LIBRARY_NAME = "WinFeature";  
    luaL_register(luaEnv, LIBRARY_NAME, luaLibs);  

    return 1;  
} 

extern "C" __declspec(dllexport)
int luaopen_WinFeature(lua_State* luaEnv)
{
    const char* const LIBRARY_NAME = "WinFeature";
    luaL_newlib(luaEnv, luaLibs);

    return 1;
}