xref: /freebsd/lib/libc/gen/devname.3 (revision 6b288cfa6416d58080c9449ff94812fcaca73a7c)
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32.\"     @(#)devname.3	8.2 (Berkeley) 4/29/95
33.\"     $Id: devname.3,v 1.5 1999/07/20 20:48:40 nik Exp $
34.\"
35.Dd April 29, 1995
36.Dt DEVNAME 3
37.Os BSD 4.4
38.Sh NAME
39.Nm devname
40.Nd get device name
41.Sh SYNOPSIS
42.Fd #include <stdlib.h>
43.Ft char *
44.Fn devname "dev_t dev" "mode_t type"
45.Sh DESCRIPTION
46The
47.Fn devname
48function returns a pointer to the name of the block or character
49device in
50.Dq Pa /dev
51with a device number of
52.Fa dev ,
53and a file type matching the one encoded in
54.Fa type
55which must be one of S_IFBLK or S_IFCHR.
56If no device matches the specified values, or no information is
57available, NULL is returned.
58.Pp
59The traditional display for applications when no device is
60found is the string
61.Dq ?? .
62.Sh SEE ALSO
63.Xr stat 2 ,
64.Xr dev_mkdb 8
65.Sh HISTORY
66The
67.Fn devname
68function call appeared in
69.Bx 4.4 .
70