gen/devname.3

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  32 .\"     @(#)devname.3   8.2 (Berkeley) 4/29/95
  33 .\" $FreeBSD: src/lib/libc/gen/devname.3,v 1.11 2001/10/01 16:08:50 ru Exp $
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  35 .Dd April 29, 1995
  36 .Dt DEVNAME 3
  37 .Os
  38 .Sh NAME
  39 .Nm devname
  40 .Nd get device name
  41 .Sh LIBRARY
  42 .Lb libc
  43 .Sh SYNOPSIS
  44 .In sys/stat.h
  45 .In stdlib.h
  46 .Ft char *
  47 .Fn devname "dev_t dev" "mode_t type"
  48 .Sh DESCRIPTION
  49 The
  50 .Fn devname
  51 function returns a pointer to the name of the block or character
  52 device in
  53 .Dq Pa /dev
  54 with a device number of
  55 .Fa dev ,
  56 and a file type matching the one encoded in
  57 .Fa type
  58 which must be one of S_IFBLK or S_IFCHR.
  59 If no device matches the specified values, or no information is
  60 available, NULL is returned.
  61 .Pp
  62 The traditional display for applications when no device is
  63 found is the string
  64 .Dq ?? .
  65 .Sh SEE ALSO
  66 .Xr stat 2 ,
  67 .Xr dev_mkdb 8
  68 .Sh HISTORY
  69 The
  70 .Fn devname
  71 function call appeared in
  72 .Bx 4.4 .