/*** $Id: linit.c,v 1.38 2015/01/05 13:48:33 roberto Exp $** Initialization of libraries for lua.c and other clients** See Copyright Notice in lua.h*/  #define linit_c#define LUA_LIB /*** If you embed Lua in your program and need to open the standard** libraries, call luaL_openlibs in your program. If you need a** different set of libraries, copy this file to your project and edit** it to suit your needs.**** You can also *preload* libraries, so that a later 'require' can** open the library, which is already linked to the application.** For that, do the following code:****  luaL_getsubtable(L, LUA_REGISTRYINDEX, "_PRELOAD");**  lua_pushcfunction(L, luaopen_modname);**  lua_setfield(L, -2, modname);**  lua_pop(L, 1);  // remove _PRELOAD table*/ #include "lprefix.h"  #include <stddef.h> #include "lua.h" #include "lualib.h"#include "lauxlib.h"  /*** these libs are loaded by lua.c and are readily available to any Lua** program*/static const luaL_Reg loadedlibs[] = {  {"_G", luaopen_base},  {LUA_LOADLIBNAME, luaopen_package},  {LUA_COLIBNAME, luaopen_coroutine},  {LUA_TABLIBNAME, luaopen_table},  {LUA_IOLIBNAME, luaopen_io},  {LUA_OSLIBNAME, luaopen_os},  {LUA_STRLIBNAME, luaopen_string},  {LUA_MATHLIBNAME, luaopen_math},  {LUA_UTF8LIBNAME, luaopen_utf8},  {LUA_DBLIBNAME, luaopen_debug},#if defined(LUA_COMPAT_BITLIB)  {LUA_BITLIBNAME, luaopen_bit32},#endif  {LUA_CMSGPACKLIBNAME, luaopen_cmsgpack},  {LUA_CJSONLIBNAME, luaopen_cjson},  {LUA_P9LIBNAME, lua_p9lib},  {NULL, NULL}};  LUALIB_API void luaL_openlibs (lua_State *L) {  const luaL_Reg *lib;  /* "require" functions from 'loadedlibs' and set results to global table */  for (lib = loadedlibs; lib->func; lib++) {    luaL_requiref(L, lib->name, lib->func, 1);    lua_pop(L, 1);  /* remove lib */  }}