GETUSERSHELL

Section: Linux Programmer's Manual (3)
Updated: 1993-07-04
Index Return to Main Contents
 

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 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.  

RETURN VALUE

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

FILES


/etc/shells
 

CONFORMING TO

4.3BSD  

SEE ALSO

shells(5)

 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
FILES
CONFORMING TO
SEE ALSO
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Time: 22:14:57 GMT, February 02, 2008