1.\" $OpenBSD: devname.3,v 1.8 2013/06/05 03:39:22 tedu Exp $ 2.\" 3.\" Copyright (c) 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.Dd $Mdocdate: June 5 2013 $ 31.Dt DEVNAME 3 32.Os 33.Sh NAME 34.Nm devname 35.Nd get device name 36.Sh SYNOPSIS 37.In sys/stat.h 38.In stdlib.h 39.Ft char * 40.Fn devname "dev_t dev" "mode_t type" 41.Sh DESCRIPTION 42The 43.Fn devname 44function returns a pointer to the name of the block or character 45device in 46.Pa /dev 47with a device number of 48.Fa dev , 49and a file type matching the one encoded in 50.Fa type 51which must be one of 52.Dv S_IFBLK 53or 54.Dv S_IFCHR . 55If no device matches the specified values, or no information is 56available, a pointer to the string 57.Qq ?? 58is returned. 59.Sh SEE ALSO 60.Xr stat 2 , 61.Xr dev_mkdb 8 62.Sh HISTORY 63The 64.Nm devname 65function call appeared in 66.Bx 4.4 . 67