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GETUSERSHELL   (3) manpage
GETUSERSHELL
3
1993-07-04
BSD
Linux Programmer's Manual
  • 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
      BSD 4.3
  • SEE ALSO
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