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UTMP(5)
XENIX System V (1 ÿíâapÿ 1989)

ÍÀÇÂÀÍÈÅ
utmp - ôopìaòû utmp è wtmp.

ÑÈÍÒÀÊÑÈÑ

#include  <sys/types.h>
#include  <utmp.h>

ÎÏÈÑÀÍÈÅ
Ôaéëû, êoòopûe coäepæaò èíôopìaöèþ oâëaäeëüöe, òeêyùaÿ èíôopìaöèÿ äëÿ òaêèx êoìaíä, êaê who(1), write(1) è login(1), ècïoëüçyþò còpyêòypy, oïècaííyþ â utmp.h:

#define  UTMP_FILE  "/etc/utmp"
#define  WTMP_FILE  "/etc/wtmp"
#define  ut_name    ut_user

struct  utmp{
char    ut_user[8];             /* èìÿ ïoëüçoâaòeëÿ*/
char    ut_id[4];               /* oáû÷ío còpoêa #*/
char    ut_line[12];  /* yìÿ ycòpoécòâa (êoícoëü, ïpèíòep lnxx*/
short   ut_pid;       /* íoìep ïpoöecca*/
short   ut_type;      /* òèï âxoäa*/
struct  exit_status{
        short  e_termination;   /* còaòyc çaâepøeíèÿ ïpoöecca*/
        short  e_exit;          /* còaòyc çaâepøeíèÿ ïpoöecca*/
        }
time_t  ut_time;      /* âpeìÿ âxoäa*/
};

#define         EMPTY           0
#define         RUN_LVL         1
#define         BOOT_TIME       2
#define         OLD_TIME        3
#define         NEW_TIME        4
#define         INIT_PROCESS    5   /* ïpoöecc ïopoæäeí ïpoöeäypoé "init"*/
#define         LOGIN_PROCESS   6   /* ïpoöecc "getty" oæèäaeò èìÿ */
#define         USER_PROCESS    7   /* ïoëüçoâaòeëücêèé ïpoöecc*/
#define         DEAD_PROCESS    8
#define         ACCOUNING       9
#define         UTMAXTYPE       ACCOUNTING  /* íaèáoëüøaÿ âoçìoæíaÿ
                                             âeëè÷èía ut_type*/
/* Cïeöèaëüíûe còpoêè ôopìaòoâ, ècïoëüçyeìûe â ïoëe "ut_line", */
/* êoãäa òeêyùèì ÿâëÿeòcÿ íeêoòopûé äpyãoé ïpoöecc.            */
/* Còpoêa äëÿ ïoëÿ "ut_line" íe ìoæeò áûòü áoëee 11 cèìâoëoâ   */
/* + íyëeâoé cèìâoë êaê ïpèçíaê êoíöa ôaéëa                    */

ÔÀÉËÛ

/usr/include/utmp.h
/etc/utmp
/etc/wtmp

ÑÌ. ÒÀÊÆÅ
getut(2), login(1), who(1), write(1)
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