getusrshl(3) — AMIX 2.03



getusershell(3)        C LIBRARY FUNCTIONS        getusershell(3)



NAME
     getusershell, setusershell, endusershell -  get  legal  user
     shells

SYNOPSIS
     cc [ flag... ] file ... -lucb
     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; enduser-
     shell 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.























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