luaL_optinteger[-0, +0, v] lua_Integer luaL_optinteger (lua_State *L, int arg

luaL_testudata[-0, +0, m] void *luaL_testudata (lua_State *L, int arg, const char *tname); This

luaL_getmetatable[-0, +1, m] int luaL_getmetatable (lua_State *L, const char *tname); Pushes onto

luaL_argcheck[-0, +0, v] void luaL_argcheck (lua_State *L, int cond,

luaL_pushresultsize[-?, +1, m] void luaL_pushresultsize (luaL_Buffer *B, size_t sz); Equivalent

luaL_setmetatable[-0, +0, –] void luaL_setmetatable (lua_State *L, const char *tname); Sets the metatable

luaL_newstate[-0, +0, –] lua_State *luaL_newstate (void); Creates a new Lua state. It calls

luaL_checkversion[-0, +0, v] void luaL_checkversion (lua_State *L); Checks whether the core running

luaL_len[-0, +0, e] lua_Integer luaL_len (lua_State *L, int index); Returns the "length" of the

luaL_ref[-1, +0, m] int luaL_ref (lua_State *L, int t); Creates and returns a reference