git.saurik.com Git - apple/libc.git/blob

3 .\"

4 .\" Redistribution and use in source and binary forms, with or without

5 .\" modification, are permitted provided that the following conditions

6 .\" are met:

7 .\" 1. Redistributions of source code must retain the above copyright

8 .\" notice, this list of conditions and the following disclaimer.

9 .\" 2. Redistributions in binary form must reproduce the above copyright

10 .\" notice, this list of conditions and the following disclaimer in the

11 .\" documentation and/or other materials provided with the distribution.

12 .\" 3. All advertising materials mentioning features or use of this software

13 .\" must display the following acknowledgement:

14 .\" This product includes software developed by the University of

15 .\" California, Berkeley and its contributors.

16 .\" 4. Neither the name of the University nor the names of its contributors

17 .\" may be used to endorse or promote products derived from this software

18 .\" without specific prior written permission.

19 .\"

20 .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

21 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

22 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

23 .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

24 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

25 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

26 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

27 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

28 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

29 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

30 .\" SUCH DAMAGE.

31 .\"

32 .\" @(#)gethostname.3 8.1 (Berkeley) 6/4/93

33 .\" $FreeBSD: src/lib/libc/gen/getdomainname.3,v 1.14 2001/10/01 16:08:51 ru Exp $

34 .\"

35 .Dd May 6, 1994

36 .Dt GETDOMAINNAME 3

37 .Os

38 .Sh NAME

39 .Nm getdomainname ,

40 .Nm setdomainname

41 .Nd get/set NIS domain name of current host

42 .Sh LIBRARY

43 .Lb libc

44 .Sh SYNOPSIS

45 .In unistd.h

46 .Ft int

47 .Fn getdomainname "char *name" "int namelen"

48 .Ft int

49 .Fn setdomainname "const char *name" "int namelen"

50 .Sh DESCRIPTION

51 .Fn Getdomainname

52 returns the standard NIS domain name for the current host, as

53 previously set by

54 .Fn setdomainname .

55 The parameter

56 .Fa namelen

57 specifies the size of the

58 .Fa name

59 array. The returned name is null-terminated unless insufficient

60 space is provided.

61 .Pp

62 .Fn Setdomainname

63 sets the NIS domain name of the host machine to be

64 .Fa name ,

65 which has length

66 .Fa namelen .

67 This call is restricted to the super-user and

68 is normally used only when the system is bootstrapped.

69 .Sh RETURN VALUES

70 .Rv -std

71 .Sh ERRORS

72 The following errors may be returned by these calls:

73 .Bl -tag -width Er

74 .It Bq Er EFAULT

75 The

76 .Fa name

77 or

78 .Fa namelen

79 parameter gave an

80 invalid address.

81 .It Bq Er EPERM

82 The caller tried to set the hostname and was not the super-user.

83 .El

84 .Sh SEE ALSO

85 .Xr gethostid 3 ,

86 .Xr gethostname 3 ,

87 .Xr sysctl 3

88 .Sh BUGS

89 Domain names are limited to

90 .Dv MAXHOSTNAMELEN

91 (from

92 .Ao Pa sys/param.h Ac )

93 characters, currently 256.

94 .Sh HISTORY

95 The

96 .Fn getdomainname

97 function call appeared in

98 .Bx 4.2 .