freebsd-dev/crypto/kerberosIV/man/getusershell.3
Mark Murray 03656ac1b0 Initial import of KTH eBones. This has been cleaned up to only include
the "core" Kerberos functionality. The rest of the userland will get their
own changes later.
1997-09-04 06:04:33 +00:00

100 lines
3.0 KiB
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.\" $NetBSD: getusershell.3,v 1.3 1995/02/27 04:13:24 cgd Exp $
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.\" @(#)getusershell.3 8.1 (Berkeley) 6/4/93
.\"
.Dd June 4, 1993
.Dt GETUSERSHELL 3
.Os BSD 4.3
.Sh NAME
.Nm getusershell ,
.Nm setusershell ,
.Nm endusershell
.Nd get legal user shells
.Sh SYNOPSIS
.Ft char *
.Fn getusershell void
.Ft void
.Fn setusershell void
.Ft void
.Fn endusershell void
.Sh DESCRIPTION
The
.Fn getusershell
function
returns a pointer to a legal user shell as defined by the
system manager in the file
.Pa /etc/shells .
If
.Pa /etc/shells
is unreadable or does not exist,
.Fn getusershell
behaves as if
.Pa /bin/sh
and
.Pa /bin/csh
were listed in the file.
.Pp
The
.Fn getusershell
function
reads the next
line (opening the file if necessary);
.Fn setusershell
rewinds the file;
.Fn endusershell
closes it.
.Sh FILES
.Bl -tag -width /etc/shells -compact
.It Pa /etc/shells
.El
.Sh DIAGNOSTICS
The routine
.Fn getusershell
returns a null pointer (0) on
.Dv EOF .
.Sh SEE ALSO
.Xr shells 5
.Sh HISTORY
The
.Fn getusershell
function appeared in
.Bx 4.3 .
.Sh BUGS
The
.Fn getusershell
function leaves its result in an internal static object and returns
a pointer to that object. Subsequent calls to
.Fn getusershell
will modify the same object.