89 lines
2.8 KiB
Groff
89 lines
2.8 KiB
Groff
.\" Copyright (c) 1990, 1993
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.\" The Regents of the University of California. 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 the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)getpw.3 8.1 (Berkeley) 6/4/93
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.\"
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.Dd June 4, 1993
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.Dt GETPW 3
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.Os
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.Sh NAME
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.Nm getpw
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.Nd get name from uid
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.Sh SYNOPSIS
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.Fd #include <sys/types.h>
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.Ft int
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.Fn getpw "uid_t uid" "char *buf"
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.Sh DESCRIPTION
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.Bf -symbolic
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The getpw function is made obsolete by getpwuid(3).
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.br
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It is available from the compatibility library, libcompat.
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.Ef
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.Pp
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The
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.Fn getpw
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function reads the file
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.Pa /etc/passwd ,
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and if it finds
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the specified
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.Fa uid ,
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copies the password entry line into the string pointed to by
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.Fa buf .
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the null terminated entry line from the password database,
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and appends the
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.Dv NUL
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character.
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.Sh RETURN VALUES
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The
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.Fn getpw
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function returns the zero if successful, otherwise
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a non-zero if the entry does not exist.
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.Sh FILES
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.Bl -tag -width /etc/passwd - compact
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.It Pa /etc/passwd
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.El
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.Sh SEE ALSO
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.Xr getpwent 3 ,
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.Xr passwd 5
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.Sh HISTORY
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A
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.Fn getpw
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function appeared in
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.At v6 .
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.Sh BUGS
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The area pointed to by
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.Fa buf
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must be large enough to hold the user name.
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All of the bugs from
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.Xr getpwent 3
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hold valid as well.
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