libnvme\_first\_subsystem(9) libnvme API manual libnvme\_first\_subsystem(9)

# [NAME](#NAME)

libnvme\_first\_subsystem - Start subsystem iterator

# [SYNOPSIS](#SYNOPSIS)

**struct libnvme\_subsystem * libnvme\_first\_subsystem** **(struct libnvme\_host \*h );**

# [ARGUMENTS](#ARGUMENTS)

[h](#h)

*struct libnvme\_host* object

# [RETURN](#RETURN)

first *struct libnvme\_subsystem* object in an iterator

libnvme\_first\_subsystem September 2026

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Document: libnvme_first_subsystem-libnvme3(2) from nvme-cli 3.1-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli