aa12cea2cc
Although groff_mdoc(7) gives another impression, this is the ordering most widely used and also required by mdocml/mandoc. Reviewed by: ru Approved by: philip, ed (mentors)
88 lines
2.7 KiB
Groff
88 lines
2.7 KiB
Groff
.\"
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.\" Copyright (c) 1995 Joerg Wunsch
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.\"
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Joerg Wunsch
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.\" 4. The name of the developer may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd April 10, 1995
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.Dt CUSERID 3
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.Os
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.Sh NAME
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.Nm cuserid
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.Nd get user name associated with effective UID
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.Sh LIBRARY
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.Lb libcompat
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.Sh SYNOPSIS
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.In stdio.h
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.Ft char *
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.Fn cuserid "char *s"
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.Sh DESCRIPTION
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.Bf -symbolic
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The
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.Fn cuserid
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function is made obsolete by
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.Xr getpwuid 3 .
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.Ef
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.Pp
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The function
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.Fn cuserid
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gets the user name associated with the effective UID of the current
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process.
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If the argument
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.Fa s
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is non-NULL, the name is copied to the buffer it points to,
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and that address is being returned.
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This buffer must provide space
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for at least
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.Em L_cuserid
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characters.
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The L_cuserid constant is defined in
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.In stdio.h .
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.Pp
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If
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.Fa s
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is NULL, an internal array is used and its address will be returned.
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.Sh RETURN VALUES
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The
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.Fn cuserid
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function returns the address of an array in which the name has been stored.
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.Pp
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If the name associated with the effective UID of the current process
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could not be found, either a null pointer will be returned, or
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(if
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.Fa s
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is non-NULL)
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the buffer
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.Fa s
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will be filled with a null string.
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.Sh SEE ALSO
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.Xr geteuid 2 ,
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.Xr getpwuid 3
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