nvme_first_subsystem - Start subsystem iterator

       h           nvme_host_t object

       nvme_first_subsystem - Start subsystem iterator

       first nvme_subsystem_t object in an iterator

May 2025                                      nvme_first_subsystem                       nvme_first_subsystem(2)

nvme_subsystem_tnvme_first_subsystem(nvme_host_th);