1*f14fb602SLionel Sambuc.\" $NetBSD: devname.3,v 1.12 2012/06/03 21:42:46 joerg Exp $ 22fe8fb19SBen Gras.\" 32fe8fb19SBen Gras.\" Copyright (c) 1993 42fe8fb19SBen Gras.\" The Regents of the University of California. All rights reserved. 52fe8fb19SBen Gras.\" 62fe8fb19SBen Gras.\" Redistribution and use in source and binary forms, with or without 72fe8fb19SBen Gras.\" modification, are permitted provided that the following conditions 82fe8fb19SBen Gras.\" are met: 92fe8fb19SBen Gras.\" 1. Redistributions of source code must retain the above copyright 102fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer. 112fe8fb19SBen Gras.\" 2. Redistributions in binary form must reproduce the above copyright 122fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer in the 132fe8fb19SBen Gras.\" documentation and/or other materials provided with the distribution. 142fe8fb19SBen Gras.\" 3. Neither the name of the University nor the names of its contributors 152fe8fb19SBen Gras.\" may be used to endorse or promote products derived from this software 162fe8fb19SBen Gras.\" without specific prior written permission. 172fe8fb19SBen Gras.\" 182fe8fb19SBen Gras.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 192fe8fb19SBen Gras.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 202fe8fb19SBen Gras.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 212fe8fb19SBen Gras.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 222fe8fb19SBen Gras.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 232fe8fb19SBen Gras.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 242fe8fb19SBen Gras.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 252fe8fb19SBen Gras.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 262fe8fb19SBen Gras.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 272fe8fb19SBen Gras.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 282fe8fb19SBen Gras.\" SUCH DAMAGE. 292fe8fb19SBen Gras.\" 302fe8fb19SBen Gras.\" @(#)devname.3 8.2 (Berkeley) 4/29/95 312fe8fb19SBen Gras.\" 32*f14fb602SLionel Sambuc.Dd June 3, 2012 332fe8fb19SBen Gras.Dt DEVNAME 3 342fe8fb19SBen Gras.Os 352fe8fb19SBen Gras.Sh NAME 362fe8fb19SBen Gras.Nm devname 372fe8fb19SBen Gras.Nd get device name 382fe8fb19SBen Gras.Sh LIBRARY 392fe8fb19SBen Gras.Lb libc 402fe8fb19SBen Gras.Sh SYNOPSIS 412fe8fb19SBen Gras.In stdlib.h 422fe8fb19SBen Gras.In sys/stat.h 432fe8fb19SBen Gras.Ft char * 442fe8fb19SBen Gras.Fn devname "dev_t dev" "mode_t type" 452fe8fb19SBen Gras.Sh DESCRIPTION 462fe8fb19SBen GrasThe 472fe8fb19SBen Gras.Fn devname 482fe8fb19SBen Grasfunction returns a pointer to the name of the block or character 492fe8fb19SBen Grasdevice in 502fe8fb19SBen Gras.Dq Pa /dev 512fe8fb19SBen Graswith a device number of 522fe8fb19SBen Gras.Fa dev , 532fe8fb19SBen Grasand a file type matching the one encoded in 542fe8fb19SBen Gras.Fa type 552fe8fb19SBen Graswhich must be one of S_IFBLK or S_IFCHR. 562fe8fb19SBen GrasIf no device matches the specified values, or no information is 572fe8fb19SBen Grasavailable, 582fe8fb19SBen Gras.Dv NULL 592fe8fb19SBen Grasis returned. 602fe8fb19SBen Gras.Pp 612fe8fb19SBen GrasThe traditional display for applications when no device is 622fe8fb19SBen Grasfound is the string 632fe8fb19SBen Gras.Dq ?? . 642fe8fb19SBen Gras.Sh FILES 65*f14fb602SLionel Sambuc.Bl -tag -width /var/run/dev.cdb -compact 66*f14fb602SLionel Sambuc.It Pa /var/run/dev.cdb 672fe8fb19SBen GrasDevice database file. 682fe8fb19SBen Gras.El 692fe8fb19SBen Gras.Sh SEE ALSO 702fe8fb19SBen Gras.Xr stat 2 , 712fe8fb19SBen Gras.Xr dev_mkdb 8 722fe8fb19SBen Gras.Sh HISTORY 732fe8fb19SBen GrasThe 742fe8fb19SBen Gras.Nm devname 752fe8fb19SBen Grasfunction call appeared in 762fe8fb19SBen Gras.Bx 4.4 . 77