115   api_check(from, G(from) == G(to));  in lua_xmove()
133   old = G(L)->panic;  in lua_atpanic()
134   G(L)->panic = panicf;  in lua_atpanic()
524   return (G(L)->mainthread == L);  in lua_pushthread()
601       mt = G(L)->mt[ttype(obj)];  in lua_getmetatable()
724       G(L)->mt[ttype(obj)] = mt;  in lua_setmetatable()
903   g = G(L);  in lua_gc()
1010   if (ud) *ud = G(L)->ud;  in lua_getallocf()
1011   f = G(L)->frealloc;  in lua_getallocf()
1019   G(L)->ud = ud;  in lua_setallocf()
1020   G(L)->frealloc = f;  in lua_setallocf()