/*** $Id: linit.c,v 1.32 2011/04/08 19:17:36 roberto Exp $** Initialization of libraries for lua.c and other clients** See Copyright Notice in lua.h*/  /*** 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.*/  #define linit_c#define LUA_LIB #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_BITLIBNAME, luaopen_bit32},  {LUA_MATHLIBNAME, luaopen_math},  {LUA_DBLIBNAME, luaopen_debug},  {NULL, NULL}};  /*** these libs are preloaded and must be required before used*/static const luaL_Reg preloadedlibs[] = {  {NULL, NULL}};  LUALIB_API void luaL_openlibs (lua_State *L) {  const luaL_Reg *lib;  /* call open 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 */  }  /* add open functions from 'preloadedlibs' into 'package.preload' table */  luaL_getsubtable(L, LUA_REGISTRYINDEX, "_PRELOAD");  for (lib = preloadedlibs; lib->func; lib++) {    lua_pushcfunction(L, lib->func);    lua_setfield(L, -2, lib->name);  }  lua_pop(L, 1);  /* remove _PRELOAD table */}