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| 32 | .\" @(#)gethostname.3 8.1 (Berkeley) 6/4/93 |
| 33 | .\" $FreeBSD: src/lib/libc/gen/getdomainname.3,v 1.9.2.5 2001/12/14 18:33:51 ru Exp $ |
| 34 | .\" $DragonFly: src/lib/libc/gen/getdomainname.3,v 1.4 2006/05/26 19:39:36 swildner Exp $ |
| 35 | .\" |
| 36 | .Dd May 6, 1994 |
| 37 | .Dt GETDOMAINNAME 3 |
| 38 | .Os |
| 39 | .Sh NAME |
| 40 | .Nm getdomainname , |
| 41 | .Nm setdomainname |
| 42 | .Nd get/set domain name of current host |
| 43 | .Sh LIBRARY |
| 44 | .Lb libc |
| 45 | .Sh SYNOPSIS |
| 46 | .In unistd.h |
| 47 | .Ft int |
| 48 | .Fn getdomainname "char *name" "int namelen" |
| 49 | .Ft int |
| 50 | .Fn setdomainname "const char *name" "int namelen" |
| 51 | .Sh DESCRIPTION |
| 52 | .Fn Getdomainname |
| 53 | returns the standard domain name for the current processor, as |
| 54 | previously set by |
| 55 | .Fn setdomainname . |
| 56 | The parameter |
| 57 | .Fa namelen |
| 58 | specifies the size of the |
| 59 | .Fa name |
| 60 | array. The returned name is null-terminated unless insufficient |
| 61 | space is provided. |
| 62 | .Pp |
| 63 | .Fn Setdomainname |
| 64 | sets the domain name of the host machine to be |
| 65 | .Fa name , |
| 66 | which has length |
| 67 | .Fa namelen . |
| 68 | This call is restricted to the super-user and |
| 69 | is normally used only when the system is bootstrapped. |
| 70 | .Sh RETURN VALUES |
| 71 | .Rv -std |
| 72 | .Sh ERRORS |
| 73 | The following errors may be returned by these calls: |
| 74 | .Bl -tag -width Er |
| 75 | .It Bq Er EFAULT |
| 76 | The |
| 77 | .Fa name |
| 78 | or |
| 79 | .Fa namelen |
| 80 | parameter gave an |
| 81 | invalid address. |
| 82 | .It Bq Er EPERM |
| 83 | The caller tried to set the hostname and was not the super-user. |
| 84 | .El |
| 85 | .Sh SEE ALSO |
| 86 | .Xr gethostid 3 , |
| 87 | .Xr gethostname 3 , |
| 88 | .Xr sysctl 3 |
| 89 | .Sh HISTORY |
| 90 | The |
| 91 | .Fn getdomainname |
| 92 | function call appeared in |
| 93 | .Bx 4.2 . |
| 94 | .Sh BUGS |
| 95 | Domain names are limited to |
| 96 | .Dv MAXHOSTNAMELEN |
| 97 | (from |
| 98 | .In sys/param.h ) |
| 99 | characters, currently 256. |