PROP
oldprop = u.uprops[PROP(otmp->otyp)].p_flgs;
u.uprops[PROP(otmp->otyp)].p_flgs |= mask;
if (!(u.uprops[PROP(obj->otyp)].p_flgs & mask))
u.uprops[PROP(obj->otyp)].p_flgs &= ~mask;
u.uprops[PROP(RIN_LEVITATION)].p_tofn = float_down;
|| u.uprops[PROP(RIN_PROTECTION_FROM_SHAPE_CHANGERS)].p_flgs
PROP *pp;
PROP *pp;
PROP prop[N_PROP] = { /* typical properties */
extern PROP prop[N_PROP];
PROP *pp;
PROP *pp;