.TH "nvme_describe_key_serial" 2 "nvme_describe_key_serial" "February 2024" "libnvme API manual" LINUX .SH NAME nvme_describe_key_serial \- Return key description .SH SYNOPSIS .B "char *" nvme_describe_key_serial .BI "(long key_id " ");" .SH ARGUMENTS .IP "key_id" 12 Key serial number .SH "DESCRIPTION" Fetches the description of the key or keyring identified by the serial number \fIkey_id\fP. .SH "RETURN" The description of \fIkey_id\fP or NULL on failure. The returned string needs to be freed by the caller.