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



NAME
       getusershell, setusershell, endusershell - get legal user shells

SYNOPSIS
       #include<unistd.h>

       char*getusershell(void);

       voidsetusershell(void);

       voidendusershell(void);

DESCRIPTION
       The  getusershell()  function  returns  the  next  line  from  the file
       /etc/shells, opening the file if necessary.  The  line  should  contain
       the  pathname  of a valid user shell.  If /etc/shells does not exist or
       is unreadable, getusershell() behaves as if  /bin/sh and /bin/csh  were
       listed in the file.

       The setusershell() function rewinds /etc/shells.

       The endusershell() function closes /etc/shells.

RETURNVALUE
       The getusershell() function returns a NULL pointer on end-of-file.

FILES
       /etc/shells

CONFORMINGTO
       BSD 4.3

SEEALSO
       shells(5)



BSD                               1993-07-04                   GETUSERSHELL(3)