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

# [NAME](#NAME)

libnvme\_subsystem\_first\_ctrl - First ctrl iterator

# [SYNOPSIS](#SYNOPSIS)

**struct libnvme\_ctrl * libnvme\_subsystem\_first\_ctrl** **(struct libnvme\_subsystem \*s );**

# [ARGUMENTS](#ARGUMENTS)

[s](#s)

*struct libnvme\_subsystem* object

# [RETURN](#RETURN)

First controller of an *s* iterator

libnvme\_subsystem\_first\_ctrl September 2026

---

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