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NetBSD 6.1.5 - man page for endutxent (netbsd section 3)

ENDUTXENT(3)			   BSD Library Functions Manual 		     ENDUTXENT(3)

     endutxent, getutxent, getutxid, getutxline, pututxline, setutxent -- user accounting data-
     base functions

     Standard C Library (libc, -lc)

     #include <utmpx.h>


     struct utmpx *

     struct utmpx *
     getutxid(const struct utmpx *);

     struct utmpx *
     getutxline(const struct utmpx *);

     struct utmpx *
     pututxline(const struct utmpx *);


     These functions provide access to the utmpx(5) user accounting database.

     getutxent() reads the next entry from the database; if the database was not yet open, it
     also opens it.  setutxent() resets the database, so that the next getutxent() call will get
     the first entry.  endutxent() closes the database.

     getutxid() returns the next entry of the type specified in its argument's ut_type field, or
     NULL if none is found.  getutxline() returns the next LOGIN_PROCESS or USER_PROCESS entry
     which has the same name as specified in the ut_line field, or NULL if no match is found.

     pututxline() adds the argument utmpx(5) entry line to the accounting database, replacing a
     previous entry for the same user if it exists.

   The utmpx structure
     The utmpx structure has the following definition:

     struct utmpx {
	     char ut_name[_UTX_USERSIZE];    /* login name */
	     char ut_id[_UTX_IDSIZE];	     /* inittab id */
	     char ut_line[_UTX_LINESIZE];    /* tty name */
	     char ut_host[_UTX_HOSTSIZE];    /* host name */
	     uint16_t ut_session;	     /* session id used for windowing */
	     uint16_t ut_type;		     /* type of this entry */
	     pid_t ut_pid;		     /* process id creating the entry */
	     struct {
		     uint16_t e_termination; /* process termination signal */
		     uint16_t e_exit;	     /* process exit status */
	     } ut_exit;
	     struct sockaddr_storage ut_ss;  /* address where entry was made from */
	     struct timeval ut_tv;	     /* time entry was created */
	     uint32_t ut_pad[10];	     /* reserved for future use */

     Valid entries for ut_type are:
	   BOOT_TIME	    Time of a system boot.
	   DEAD_PROCESS     A session leader exited.
	   EMPTY	    No valid user accounting information.
	   INIT_PROCESS     A process spawned by init(8).
	   LOGIN_PROCESS    The session leader of a logged-in user.
	   NEW_TIME	    Time after system clock change.
	   OLD_TIME	    Time before system clock change.
	   RUN_LVL	    Run level.	Provided for compatibility, not used on NetBSD.
	   USER_PROCESS     A user process.

     getutxent() returns the next entry, or NULL on failure (end of database or problems reading
     from the database).  getutxid() and getutxline() return the matching structure on success,
     or NULL if no match was found.  pututxline() returns the structure that was successfully
     written, or NULL.

     logwtmpx(3), utmpx(5)

     The endutxent(), getutxent(), getutxid(), getutxline(), pututxline(), setutxent() all con-
     form to IEEE Std 1003.1-2001 (``POSIX.1'') (XSI extension), and previously to X/Open
     Portability Guide Issue 4, Version 2 (``XPG4.2'').  The fields ut_user, ut_id, ut_line,
     ut_pid, ut_type, and ut_tv conform to IEEE Std 1003.1-2001 (``POSIX.1'') (XSI extension),
     and previously to X/Open Portability Guide Issue 4, Version 2 (``XPG4.2'').

BSD					September 26, 2002				      BSD

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