AGS_REDUN0
#define AG_IS_REDUN(state) (((state) & (AGS_REDUN0 | AGS_REDUN1)) \
== (AGS_REDUN0 | AGS_REDUN1))
? AGS_REDUN0
if (ag->ag_state & AGS_REDUN0) {
ag_cors->ag_state |= AGS_REDUN0;
ag_cors->ag_state |= AGS_REDUN0;
| AGS_REDUN0
state |= AGS_REDUN0;
state &= ~AGS_REDUN0;
x &= ~AGS_REDUN0;
state &= ~AGS_REDUN0;