lua_remove
lua_remove(L, -2); /* remove old buffer */
lua_remove(L, -2); /* remove old buffer */
lua_remove(L, (buffonstack(B)) ? -2 : -1); /* remove value */
lua_remove(L, -2); /* remove table (but keep name) */
lua_remove(L, -2); /* remove only metatable */
lua_remove(L, -2); /* remove previous table */
lua_remove(L, -2); /* remove _LOADED table */
lua_remove(L, -2); /* remove name */
LUA_API void (lua_remove) (lua_State *L, int idx);
lua_remove(state, 1);
lua_remove(state, 1);
lua_remove(state, 1);