/* utmp.h */ #ifndef __UTMP_H #define __UTMP_H #include <features.h> #include <sys/types.h> #include <paths.h> #include <time.h> #define UT_UNKNOWN 0 #define UT_LINESIZE 12 #define UT_NAMESIZE 8 #define UT_HOSTSIZE 16 #define RUN_LVL 1 #define BOOT_TIME 2 #define NEW_TIME 3 #define OLD_TIME 4 #define INIT_PROCESS 5 #define LOGIN_PROCESS 6 #define USER_PROCESS 7 #define DEAD_PROCESS 8 struct utmp { short ut_type; /* type of login */ pid_t ut_pid; /* pid of login-process */ char ut_line[UT_LINESIZE]; /* devicename of tty -"/dev/", null-term */ char ut_id[2]; /* abbrev. ttyname, as 01, s1 etc. */ time_t ut_time; /* login time */ char ut_user[UT_NAMESIZE]; /* username, not null-term */ char ut_host[UT_HOSTSIZE]; /* hostname for remote login... */ long ut_addr; /* IP addr of remote host */ }; extern void setutent __P ((void)); extern void utmpname __P ((__const char *)); extern struct utmp * getutent __P ((void)); extern struct utmp * getutid __P ((struct utmp *)); extern struct utmp * getutline __P ((struct utmp *)); extern struct utmp * pututline __P ((struct utmp *)); extern void endutent __P ((void)); #ifdef __LIBC__ struct utmp * __getutent __P ((int)); #endif #endif /* __UTMP_H */