+#define UT_LINESIZE 32
+#define UT_NAMESIZE 32
+#define UT_HOSTSIZE 256
+#define USER_PROCESS 7 /* normal process */
+#define ut_time ut_tv.tv_sec
+
+
+extern int ufd;
+
+struct exit_status {
+ short int e_termination; /* process termination status */
+ short int e_exit; /* process exit status */
+};
+
+struct utmp
+{
+ short int ut_type; /* type of login */
+ pid_t ut_pid; /* pid 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 */
+ struct exit_status ut_exit; /* exit status of a process marked as DEAD_PROCESS */
+ /* The ut_session and ut_tv fields must be the same size for 32 and 64-bit */
+#if __WORDSIZE == 64 && defined __WORDSIZE_COMPAT32
+ int32_t ut_session; /* sid used for windowing */
+ struct {
+ int32_t tv_sec; /* seconds */
+ int32_t tv_usec; /* microseconds */
+ } ut_tv;
+#else
+ long int ut_session;
+ struct timeval ut_tv;