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#ifndef _UTMP_H
#define _UTMP_H
#include <sys/cdefs.h>
#include <sys/types.h>
#include <time.h>
#define UT_LINESIZE 32
#define UT_NAMESIZE 32
#define UT_HOSTSIZE 256
#define _PATH_UTMP "/var/run/utmp"
#define _PATH_WTMP "/var/log/wtmp"
#ifdef _BSD_SOURCE
/* die, BSD, die!!! */
#define UTMP_FILE _PATH_UTMP
#define WTMP_FILE _PATH_WTMP
#endif
/* The structure describing an entry in the database of
previous logins. */
struct lastlog
{
time_t ll_time;
char ll_line[UT_LINESIZE];
char ll_host[UT_HOSTSIZE];
};
/* The structure describing the status of a terminated process. This
type is used in `struct utmp' below. */
struct exit_status
{
short int e_termination; /* Process termination status. */
short int e_exit; /* Process exit status. */
};
/* The structure describing an entry in the user accounting database. */
struct utmp
{
short int ut_type; /* Type of login. */
pid_t ut_pid; /* Process ID of login process. */
char ut_line[UT_LINESIZE]; /* Devicename. */
char ut_id[4]; /* Inittab ID. */
char ut_user[UT_NAMESIZE]; /* Username. */
char ut_host[UT_HOSTSIZE]; /* Hostname for remote login. */
#define ut_name ut_user
struct exit_status ut_exit; /* Exit status of a process marked
as DEAD_PROCESS. */
long int ut_session; /* Session ID, used for windowing. */
#define ut_time ut_tv.tv_sec
struct timeval ut_tv; /* Time entry was made. */
#define ut_addr ut_addr_v6[0]
int32_t ut_addr_v6[4]; /* Internet address of remote host. */
char __unused[20]; /* Reserved for future use. */
};
/* Values for the `ut_type' field of a `struct utmp'. */
#define EMPTY 0 /* No valid user accounting information. */
#define RUN_LVL 1 /* The system's runlevel. */
#define BOOT_TIME 2 /* Time of system boot. */
#define NEW_TIME 3 /* Time after system clock changed. */
#define OLD_TIME 4 /* Time when system clock changed. */
#define INIT_PROCESS 5 /* Process spawned by the init process. */
#define LOGIN_PROCESS 6 /* Session leader of a logged in user. */
#define USER_PROCESS 7 /* Normal process. */
#define DEAD_PROCESS 8 /* Terminated process. */
#define ACCOUNTING 9
/* Tell the user that we have a modern system with UT_HOST, UT_PID,
UT_TYPE, UT_ID and UT_TV fields. */
#define _HAVE_UT_TYPE 1
#define _HAVE_UT_PID 1
#define _HAVE_UT_ID 1
#define _HAVE_UT_TV 1
#define _HAVE_UT_HOST 1
struct utmp *getutent(void) __THROW;
struct utmp *getutid(struct utmp *ut) __THROW;
struct utmp *getutline(struct utmp *ut) __THROW;
void pututline(struct utmp *ut) __THROW;
void setutent(void) __THROW;
void endutent(void) __THROW;
void utmpname(const char *file) __THROW;
void updwtmp(const char *wtmp_file, const struct utmp *ut);
void logwtmp(const char *line, const char *name, const char *host);
#endif
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