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Annotation of 43BSDReno/lib/libc/sys/gethostname.2, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1983 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"    @(#)gethostname.2       6.6 (Berkeley) 6/23/90
        !            19: .\"
        !            20: .TH GETHOSTNAME 2 "June 23, 1990"
        !            21: .UC 5
        !            22: .SH NAME
        !            23: gethostname, sethostname \- get/set name of current host
        !            24: .SH SYNOPSIS
        !            25: .nf
        !            26: .ft B
        !            27: gethostname(name, namelen)
        !            28: char *name;
        !            29: int namelen;
        !            30: .PP
        !            31: .ft B
        !            32: sethostname(name, namelen)
        !            33: char *name;
        !            34: int namelen;
        !            35: .fi
        !            36: .SH DESCRIPTION
        !            37: .I Gethostname
        !            38: returns the standard host name for the current processor, as
        !            39: previously set by
        !            40: .IR sethostname . 
        !            41: The parameter
        !            42: .I namelen
        !            43: specifies the size of the 
        !            44: .I name
        !            45: array.  The returned name is null-terminated unless insufficient
        !            46: space is provided.
        !            47: .PP
        !            48: .I Sethostname
        !            49: sets the name of the host machine to be
        !            50: .IR name ,
        !            51: which has length
        !            52: .IR namelen .
        !            53: This call is restricted to the super-user and
        !            54: is normally used only when the system is bootstrapped.
        !            55: .SH "RETURN VALUE
        !            56: If the call succeeds a value of 0 is returned.  If the call
        !            57: fails, then a value of \-1 is returned and an error code is
        !            58: placed in the global location \fIerrno\fP.
        !            59: .SH "ERRORS
        !            60: The following errors may be returned by these calls:
        !            61: .TP 15
        !            62: [EFAULT]
        !            63: The \fIname\fP or \fInamelen\fP parameter gave an
        !            64: invalid address.
        !            65: .TP 15
        !            66: [EPERM]
        !            67: The caller tried to set the hostname and was not the super-user.
        !            68: .SH SEE ALSO
        !            69: gethostid(2)
        !            70: .SH BUGS
        !            71: Host names are limited to MAXHOSTNAMELEN (from
        !            72: .IR <sys/param.h> )
        !            73: characters, currently 64.

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