166 static int typeerror (lua_State *L, int narg, const char *tname) {  in typeerror()  argument
168                                     tname, luaL_typename(L, narg));  in typeerror()
233 LUALIB_API int luaL_newmetatable (lua_State *L, const char *tname) {  in luaL_newmetatable()  argument
234   luaL_getmetatable(L, tname);  /* try to get metatable */  in luaL_newmetatable()
240   lua_setfield(L, LUA_REGISTRYINDEX, tname);  /* registry.name = metatable */  in luaL_newmetatable()
245 LUALIB_API void luaL_setmetatable (lua_State *L, const char *tname) {  in luaL_setmetatable()  argument
246   luaL_getmetatable(L, tname);  in luaL_setmetatable()
251 LUALIB_API void *luaL_testudata (lua_State *L, int ud, const char *tname) {  in luaL_testudata()  argument
255       luaL_getmetatable(L, tname);  /* get correct metatable */  in luaL_testudata()
266 LUALIB_API void *luaL_checkudata (lua_State *L, int ud, const char *tname) {  in luaL_checkudata()  argument
267   void *p = luaL_testudata(L, ud, tname);  in luaL_checkudata()
268   if (p == NULL) typeerror(L, ud, tname);  in luaL_checkudata()