X25_COND_ACK_PENDING
x25->condition &= ~X25_COND_ACK_PENDING;
x25->condition |= X25_COND_ACK_PENDING;
x25->condition &= ~X25_COND_ACK_PENDING;
x25->condition &= ~X25_COND_ACK_PENDING;
x25->condition &= ~X25_COND_ACK_PENDING;
if (x25->condition & X25_COND_ACK_PENDING) {
x25->condition &= ~X25_COND_ACK_PENDING;