.\" Copyright (C) 2022 Samuel Williams
.\"
.\" SPDX-License-Identifier: LGPL-2.0-or-later
.\"
.TH io_uring_prep_uring_cmd 3 "October 22, 2025" "liburing-2.13" "liburing Manual"
.SH NAME
io_uring_prep_uring_cmd \- prepare a uring_cmd request
.SH SYNOPSIS
.nf
.B #include <liburing.h>
.PP
.BI "void io_uring_prep_uring_cmd(struct io_uring_sqe *" sqe ","
.BI "                                           int " cmd_op ","
.BI "                                           int " fd ");"
.fi
.SH DESCRIPTION
.PP
The
.BR io_uring_prep_uring_cmd (3)
function prepares uring_cmd (fd specific) request. The submission queue entry
.I sqe
is setup to use the filedescriptor
.I fd
to send file descriptor specific
.IR cmd_op .

The reserved fields are initialized to 0. Otherwise the caller has to set up
any submission queue entry's operation specific fields.

.SH RETURN VALUE
None
.SH ERRORS
None
.SH SEE ALSO
.BR io_uring_prep_uring_cmd128 (3),
.BR io_uring_get_sqe (3),
.BR io_uring_submit (3),