NEW_S
changes |= NEW_S;
case NEW_S|NEW_A:
case NEW_S:
if (changes & NEW_S)
#define SPECIAL_I (NEW_S|NEW_W|NEW_U) /* echoed interactive traffic */
#define SPECIAL_D (NEW_S|NEW_A|NEW_W|NEW_U) /* unidirectional data */
#define SPECIALS_MASK (NEW_S|NEW_A|NEW_W|NEW_U)
if (flags & NEW_S)