setttyent man page on Raspbian

Printed from http://www.polarhome.com/service/man/?qf=setttyent&af=0&tf=2&of=Raspbian

GETTTYENT(3)		   Linux Programmer's Manual		  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 ttyent structure (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 has the form:

	   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 */

CONFORMING TO
       Not in POSIX.1-2001.  Present on the BSDs, and perhaps other systems.

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

SEE ALSO
       ttyname(3), ttyslot(3)

COLOPHON
       This page is part of release 3.27 of the Linux  man-pages  project.   A
       description  of	the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

GNU				  2002-07-18			  GETTTYENT(3)
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