debug.setupvalue (f, up, value) This function assigns the value value to the upvalue with index up of the function f. The function returns

lua_tothread[-0, +0, –] lua_State *lua_tothread (lua_State *L, int index); Converts the value at the given

utf8.len (s [, i [, j]])sijij

lua_pushglobaltable[-0, +1, –] void lua_pushglobaltable (lua_State *L); Pushes the global environment onto

string.upper (s)

lua_load[-0, +1, –] int lua_load (lua_State *L, lua_Reader reader, void *data,

lua_pcall[-(nargs + 1), +(nresults|1), –] int lua_pcall (lua_State *L, int nargs, int nresults, int msgh);

luaL_checkstack[-0, +0, v] void luaL_checkstack (lua_State *L, int sz, const char *msg); Grows

getmetatable (object) If object does not have a metatable, returns nil. Otherwise, if the object's metatable has a __metatable field, returns

lua_getlocal[-0, +(0|1), –] const char *lua_getlocal (lua_State *L, const lua_Debug *ar, int n); Gets information