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Annotation of 43BSDReno/lib/libc/gen/getusershell.3, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1985 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: .\"    @(#)getusershell.3      6.4 (Berkeley) 6/23/90
        !            19: .\"
        !            20: .TH GETUSERSHELL 3  "June 23, 1990"
        !            21: .UC 6
        !            22: .SH NAME
        !            23: getusershell, setusershell, endusershell \- get legal user shells
        !            24: .SH SYNOPSIS
        !            25: .nf
        !            26: .B char *getusershell()
        !            27: .PP
        !            28: .B setusershell()
        !            29: .PP
        !            30: .B endusershell()
        !            31: .fi
        !            32: .SH DESCRIPTION
        !            33: .I Getusershell
        !            34: returns a pointer to a legal user shell as defined by the
        !            35: system manager in the file 
        !            36: .IR /etc/shells .
        !            37: If 
        !            38: .I /etc/shells
        !            39: is unreadable or does not exist,
        !            40: .I getusershell
        !            41: behaves as if
        !            42: .I /bin/sh
        !            43: and
        !            44: .I /bin/csh
        !            45: were listed in the file.
        !            46: .PP
        !            47: .I Getusershell
        !            48: reads the next
        !            49: line (opening the file if necessary);
        !            50: .I setusershell
        !            51: rewinds the file;
        !            52: .I endusershell
        !            53: closes it.
        !            54: .SH FILES
        !            55: /etc/shells
        !            56: .SH "SEE ALSO"
        !            57: shells(5)
        !            58: .SH DIAGNOSTICS
        !            59: The routine
        !            60: .I getusershell
        !            61: returns a null pointer (0) on EOF.
        !            62: .SH BUGS
        !            63: All information
        !            64: is contained in a static area
        !            65: so it must be copied if it is
        !            66: to be saved.

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