914                                const luaL_Reg *l, int nup) {  in luaL_openlib()  argument
918     lua_insert(L, -(nup + 1));  /* move library table to below upvalues */  in luaL_openlib()
921     luaL_setfuncs(L, l, nup);  in luaL_openlib()
923     lua_pop(L, nup);  /* remove upvalues */  in luaL_openlib()
934 LUALIB_API void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {  in luaL_setfuncs()  argument
935   luaL_checkstack(L, nup, "too many upvalues");  in luaL_setfuncs()
938     for (i = 0; i < nup; i++)  /* copy upvalues to the top */  in luaL_setfuncs()
939       lua_pushvalue(L, -nup);  in luaL_setfuncs()
940     lua_pushcclosure(L, l->func, nup);  /* closure with those upvalues */  in luaL_setfuncs()
941     lua_setfield(L, -(nup + 2), l->name);  in luaL_setfuncs()
943   lua_pop(L, nup);  /* remove upvalues */  in luaL_setfuncs()