NAME

getusershell, setusershell, endusershell − get legal user shells

SYNOPSIS

/usr/ucb/cc [ flag. . . ] file . . .

char ∗getusershell()

setusershell()
endusershell()

DESCRIPTION

getusershell returns a pointer to a legal user shell as defined by the system manager in the file /etc/shells.  If /etc/shells does not exist, the locations of the standard system shells, /usr/bin/csh, /usr/bin/sh, and /usr/bin/ksh are returned. 

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

FILES

/etc/shells

/usr/bin/csh

/usr/bin/ksh

/usr/bin/sh

RETURN VALUE

The routine getusershell returns a NULL pointer (0) on EOF or error. 

NOTES

All information is contained in a static area so it must be copied if it is to be saved. 

  —  BSD Compatibility Package