flow_fields_buf_t
offsetof(flow_fields_buf_t, flow_name), print_default_cb},
offsetof(flow_fields_buf_t, flow_link), print_default_cb},
offsetof(flow_fields_buf_t, flow_ipaddr), print_default_cb},
offsetof(flow_fields_buf_t, flow_proto), print_default_cb},
offsetof(flow_fields_buf_t, flow_lport), print_default_cb},
offsetof(flow_fields_buf_t, flow_rport), print_default_cb},
offsetof(flow_fields_buf_t, flow_dsfield), print_default_cb},
flow_fields_buf_t *fbuf)
flow_fields_buf_t fbuf;