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Annotation of coherent/a/usr/man/COHERENT/utmp.h, revision 1.1

1.1     ! root        1: 
        !             2: 
        !             3: utmp.h                     Header File                     utmp.h
        !             4: 
        !             5: 
        !             6: 
        !             7: 
        !             8: Login accounting information
        !             9: 
        !            10: #include <utmp.h>
        !            11: 
        !            12: /etc/utmp contains  a utmp entry for  every user currently logged
        !            13: into the  COHERENT system.  The structure utmp  is defined in the
        !            14: the header file utmp.h, as follows:
        !            15: 
        !            16: 
        !            17: #define DIRSIZ  14
        !            18: struct utmp {
        !            19:         char    ut_line[8];     /* terminal name */
        !            20:         char    ut_name[DIRSIZ];/* user name */
        !            21:         time_t  ut_time;        /* time of login */
        !            22: };
        !            23: 
        !            24: 
        !            25: If either the user name or terminal name is cleared, the entry is
        !            26: unused.  The element ut_line is  the name of the special file for
        !            27: the user's terminal, and is normally found in the directory /dev.
        !            28: ut_time gives the date and time the user logged into COHERENT.
        !            29: 
        !            30: The  file /usr/adm/wtmp  maintains  a record  of  all logins  and
        !            31: logouts, and may be  summarized by the command ac.  The processes
        !            32: login and init write  entries into the file wtmp; neither creates
        !            33: the file,  so login  accounting is disabled  unless /usr/adm/wtmp
        !            34: exists.
        !            35: 
        !            36: Entries in wtmp are identical to those in utmp.  A null string in
        !            37: the  ut_name  field  indicates  a  logout.  The  following  three
        !            38: special terminal names may be  found in wtmp.  When the system is
        !            39: booted, init  writes a  ut_line entry of  `~'.  When the  time is
        !            40: changed with the command date,  it writes an entry giving the old
        !            41: date (`|')  and an entry giving the new  date (`}').  This allows
        !            42: ac to adjust connect times appropriately.
        !            43: 
        !            44: ***** Files *****
        !            45: 
        !            46: <utmp.h>
        !            47: /etc/utmp
        !            48: /usr/adm/wtmp
        !            49: 
        !            50: ***** See Also *****
        !            51: 
        !            52: ac, date, file formats, header files, init, login, who
        !            53: 
        !            54: 
        !            55: 
        !            56: 
        !            57: 
        !            58: 
        !            59: 
        !            60: 
        !            61: 
        !            62: 
        !            63: 
        !            64: COHERENT Lexicon                                           Page 1
        !            65: 
        !            66: 

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