setusershell man page on MirBSD

setusershell man page on MirBSD

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GETUSERSHELL(3)		   BSD 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,
     /bin/csh and /bin/mksh were listed in the file.

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

FILES
     /etc/shells

DIAGNOSTICS
     The routine getusershell() returns a null pointer on 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 getuser-
     shell() will modify the same object.

MirOS BSD #10-current		 June 4, 1993				     1

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