.\"	$OpenBSD: devname.3,v 1.7 2007/05/31 19:19:28 jmc Exp $
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.Dd $Mdocdate: May 31 2007 $
.Dt DEVNAME 3
.Os
.Sh NAME
.Nm devname
.Nd get device name
.Sh SYNOPSIS
.Fd #include <sys/stat.h>
.Fd #include <stdlib.h>
.Ft char *
.Fn devname "dev_t dev" "mode_t type"
.Sh DESCRIPTION
The
.Fn devname
function returns a pointer to the name of the block or character
device in
.Pa /dev
with a device number of
.Fa dev ,
and a file type matching the one encoded in
.Fa type
which must be one of
.Dv S_IFBLK
or
.Dv S_IFCHR .
If no device matches the specified values, or no information is
available, a pointer to the string
.Qq ??
is returned.
.Sh SEE ALSO
.Xr stat 2 ,
.Xr dev_mkdb 8
.Sh HISTORY
The
.Nm devname
function call appeared in
.Bx 4.4 .