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Diffstat (limited to 'man3/getusershell.3')
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diff --git a/man3/getusershell.3 b/man3/getusershell.3 new file mode 100644 index 000000000..95728c17f --- /dev/null +++ b/man3/getusershell.3 @@ -0,0 +1,60 @@ +.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) +.\" +.\" Permission is granted to make and distribute verbatim copies of this +.\" manual provided the copyright notice and this permission notice are +.\" preserved on all copies. +.\" +.\" Permission is granted to copy and distribute modified versions of this +.\" manual under the conditions for verbatim copying, provided that the +.\" entire resulting derived work is distributed under the terms of a +.\" permission notice identical to this one. +.\" +.\" Since the Linux kernel and libraries are constantly changing, this +.\" manual page may be incorrect or out-of-date. The author(s) assume no +.\" responsibility for errors or omissions, or for damages resulting from +.\" the use of the information contained herein. The author(s) may not +.\" have taken the same level of care in the production of this manual, +.\" which is licensed free of charge, as they might when working +.\" professionally. +.\" +.\" Formatted or processed versions of this manual, if unaccompanied by +.\" the source, must acknowledge the copyright and authors of this work. +.\" +.\" References consulted: +.\" Linux libc source code +.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) +.\" 386BSD man pages +.\" Modified Sat Jul 24 19:17:53 1993 by Rik Faith (faith@cs.unc.edu) +.TH GETUSERSHELL 3 1993-07-04 "BSD" "Linux Programmer's Manual" +.SH NAME +getusershell, setusershell, endusershell \- get legal user shells +.SH SYNOPSIS +.nf +.B #include <unistd.h> +.sp +.B char *getusershell(void); +.sp +.B void setusershell(void); +.sp +.B void endusershell(void); +.fi +.SH DESCRIPTION +The \fBgetusershell()\fP function returns the next line from the file +\fI/etc/shells\fP, opening the file if necessary. The line should contain +the pathname of a valid user shell. If \fI/etc/shells\fP does not exist or +is unreadable, \fBgetusershell()\fP behaves as if \fI/bin/sh\fP and +\fI/bin/csh\fP were listed in the file. +.PP +The \fBsetusershell()\fP function rewinds \fI/etc/shells\fP. +.PP +The \fBendusershell()\fP function closes \fI/etc/shells\fP. +.SH "RETURN VALUE" +The \fBgetusershell()\fP function returns a NULL pointer on end-of-file. +.SH FILES +.nf +/etc/shells +.fi +.SH "CONFORMING TO" +BSD 4.3 +.SH "SEE ALSO" +.BR shells (5) |