CLOSED            97 ext/stringio/stringio.c #define READABLE(ptr) (!CLOSED(ptr) && ((ptr)->flags & FMODE_READABLE))
CLOSED            98 ext/stringio/stringio.c #define WRITABLE(ptr) (!CLOSED(ptr) && ((ptr)->flags & FMODE_WRITABLE))
CLOSED           335 ext/stringio/stringio.c     if (CLOSED(ptr)) {
CLOSED           376 ext/stringio/stringio.c     if (!CLOSED(ptr)) return Qfalse;