SEQ_LT 81 opal/mca/btl/usnic/btl_usnic_ack.c if (SEQ_LT(ack_seq, endpoint->endpoint_ack_seq_rcvd)) { SEQ_LT 47 opal/mca/btl/usnic/btl_usnic_endpoint.h #define WINDOW_OPEN(E) (SEQ_LT((E)->endpoint_next_seq_to_send, \