.TH "libnvmf_config_get_hostid" 9 "libnvmf_config_get_hostid" "October 2026" "libnvme API manual" LINUX .SH NAME libnvmf_config_get_hostid \- the top-level [Host] host ID. .SH SYNOPSIS .B "const char *" libnvmf_config_get_hostid .BI "(const struct libnvmf_config *config " ");" .SH ARGUMENTS .IP "config" 12 the resolved configuration .SH "DESCRIPTION" See \fBlibnvmf_config_get_hostnqn\fP. .SH "RETURN" borrowed string, valid while \fIconfig\fP is alive, or NULL when the top-level file names no host ID (the caller falls back to the system identity in /etc/nvme/hostid).