BEHAVE_FORWARD_READ
.behaviour = BEHAVE_FORWARD_READ,
.behaviour = BEHAVE_FORWARD_READ,
BEHAVE_FORWARD_RW = BEHAVE_FORWARD_READ | BEHAVE_FORWARD_WRITE,
.behaviour = BEHAVE_FORWARD_READ,
if (((b & BEHAVE_FORWARD_READ) && is_read) ||
.behaviour = BEHAVE_FORWARD_READ,