getusershell(3) — SysV ue12





   getusershell(3)         (BSD Compatibility Package)         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; 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.





















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