+# if HAVE_STRUCT_XTMP_UT_PID
+# define UT_PID(U) ((U)->ut_pid)
+# else
+# define UT_PID(U) 0
+# endif
+
+# if HAVE_STRUCT_UTMP_UT_TYPE || HAVE_STRUCT_UTMPX_UT_TYPE
+# define UT_TYPE_EQ(U, V) ((U)->ut_type == (V))
+# define UT_TYPE_NOT_DEFINED 0
+# else
+# define UT_TYPE_EQ(U, V) 0
+# define UT_TYPE_NOT_DEFINED 1
+# endif
+
+# ifdef BOOT_TIME
+# define UT_TYPE_BOOT_TIME(U) UT_TYPE_EQ (U, BOOT_TIME)
+# else
+# define UT_TYPE_BOOT_TIME(U) 0
+# endif
+
+# ifdef USER_PROCESS
+# define UT_TYPE_USER_PROCESS(U) UT_TYPE_EQ (U, USER_PROCESS)
+# else
+# define UT_TYPE_USER_PROCESS(U) 0
+# endif
+
+# define IS_USER_PROCESS(U) \
+ (UT_USER (U)[0] \
+ && (UT_TYPE_USER_PROCESS (U) \
+ || (UT_TYPE_NOT_DEFINED && UT_TIME_MEMBER (U) != 0)))
+
+/* Options for read_utmp. */
+enum
+ {
+ READ_UTMP_CHECK_PIDS = 1
+ };
+