Function nvme_next_subsystem 

pub unsafe extern "C" fn nvme_next_subsystem(
    h: nvme_host_t,
    s: nvme_subsystem_t,
) -> nvme_subsystem_t

nvme_next_subsystem() - Next subsystem iterator @h: &nvme_host_t object @s: Previous &nvme_subsystem_t iterator

Return: next &nvme_subsystem_t object in an iterator