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GETUSERSHELL(3)           OpenBSD Programmer's Manual          GETUSERSHELL(3)

NAME
     getusershell, setusershell, endusershell - get legal user shells

SYNOPSIS
     #include <unistd.h>

     char *
     getusershell(void);

     void
     setusershell(void);

     void
     endusershell(void);

DESCRIPTION
     The getusershell() function returns a pointer to a legal user shell as
     defined by the system manager in the file /etc/shells. If /etc/shells is
     unreadable or does not exist, getusershell() behaves as if only /bin/sh
     and /bin/csh were listed in the file.

     The getusershell() function reads the next line (opening the file if nec-
     essary); setusershell() rewinds the file; endusershell() closes it.

FILES
     /etc/shells

DIAGNOSTICS
     The routine getusershell() returns a null pointer EOF.

SEE ALSO
     shells(5)

HISTORY
     The getusershell() function appeared in 4.3BSD.

BUGS
     The getusershell() function leaves its result in an internal static ob-
     ject and returns a pointer to that object.  Subsequent calls to
     getusershell() will modify the same object.

OpenBSD 3.1                      June 4, 1993                                1

NAME | SYNOPSIS | DESCRIPTION | FILES | DIAGNOSTICS | SEE ALSO | HISTORY | BUGS

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