getttyent - phpMan

GETTTYENT(3)                                                      GETTTYENT(3)



NAME
       getttyent, getttynam, setttyent, endttyent - get ttys file entry

SYNOPSIS
       #include <ttyent.h>

       struct ttyent *getttyent(void);

       struct ttyent *getttynam(const char *name);

       int setttyent(void);

       int endttyent(void);

DESCRIPTION
       These functions provide an interface to the file _PATH_TTYS (e.g., /etc/ttys).

       The function setttyent() opens the file or rewinds it if already open.

       The function endttyent() closes the file.

       The  function  getttynam()  searches  for a given ttyname in the file. It returns a
       pointer to a struct ttyent (description below).

       The function getttyent() opens the file _PATH_TTYS (if necessary) and  returns  the
       first entry.  If the file is already open, the next entry.


   The ttyent structure
       struct ttyent {
               char    *ty_name;       /* terminal device name */
               char    *ty_getty;      /* command to execute, usually getty */
               char    *ty_type;       /* terminal type for termcap */
               int     ty_status;      /* status flags */
               char    *ty_window;     /* command to start up window manager */
               char    *ty_comment;    /* comment field */
       };

       ty_status can be
       #define TTY_ON       0x01   /* enable logins (start ty_getty program) */
       #define TTY_SECURE   0x02   /* allow uid 0 to login */

NOTES
       Under Linux the file /etc/ttys, and the functions described above, are not used.

SEE ALSO
       ttyname(3), ttyslot(3)



glibc                             2002-07-18                      GETTTYENT(3)

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