lua_pushlightuserdata[-0, +1, –] void lua_pushlightuserdata (lua_State *L, void *p); Pushes a light userdata

luaL_buffinitsize[-?, +?, m] char *luaL_buffinitsize (lua_State *L, luaL_Buffer *B, size_t sz);

lua_replace[-1, +0, –] void lua_replace (lua_State *L, int index); Moves the top element into the given

lua_isnil[-0, +0, –] int lua_isnil (lua_State *L, int index); Returns 1 if the value at the given index

xpcall (f, msgh [, arg1, ···]) This function is similar to pcall, except

file:close () Closes file. Note that files are automatically closed when their handles are garbage collected, but that takes an unpredictable amount of time to happen

assert (v [, message]) Calls error if the value of its argument v

package.loadlib (libname, funcname) Dynamically links the host program with the C library libname. If funcname is "*", then it

file:write (···) Writes the value of each of its arguments to file. The arguments must be strings or numbers. In case of success, this function returns file

math.mininteger