--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zotnet/tws/phoon/tws.h	Mon Apr 18 23:46:02 2005 +0900
@@ -0,0 +1,79 @@
+/* tws.h - header file for libtws date/time library */
+
+
+/* Definition of the tws data structure. */
+
+struct tws {
+    int     tw_sec;
+    int     tw_min;
+    int     tw_hour;
+
+    int     tw_mday;
+    int     tw_mon;
+    int     tw_year;
+
+    int     tw_wday;
+    int     tw_yday;
+
+    int     tw_zone;
+
+    long    tw_clock;
+
+    int     tw_flags;
+#define TW_NULL 0x0000
+#define TW_SDAY 0x0007		/* how day-of-week was determined */
+#define   TW_SNIL 0x0000	/*   not given */
+#define   TW_SEXP 0x0001	/*   explicitly given */
+#define   TW_SIMP 0x0002	/*   implicitly given */
+#define TW_DST  0x0010		/* daylight savings time */
+#define TW_ZONE 0x0020		/* use numeric timezones only */
+#define TW_JUNK 0x0040		/* date string contained junk */
+};
+
+
+/* Declarations of routines. */
+
+void twscopy( );
+	/* twscopy( &totws, &fromtws ) copies a tws */
+int twsort( );
+	/* twsort( &tws1, &tws2 ) compares two tws's: 1 means tws1 is
+	   later; -1 means tws1 is earlier; 0 means they are equal */
+long twclock( );
+	/* twclock( &tws ) turns a tws into a time(3)-style clock value */
+long twjuliandate( );
+	/* twjuliandate( &tws ) returns the Julian day number of a tws */
+long twsubtract( );
+	/* twsubtract( &tws1, &tws2 ) returns seconds of difference */
+
+/* These routines are functionally similar to the ctime(3) routines
+   in the standard Unix library. */
+char *dctime( );
+	/* dctime( &tws ) returns a string for the date/time passed in */
+struct tws *dlocaltime( );
+	/* dlocaltime( &clock ) turns a time(3) clock value into a tws */
+struct tws *dgmtime( );
+	/* dgmtime( &clock ) turns a time(3) clock value into a tws */
+char *dasctime( );
+	/* dasctime( &tws, flags ) turns a tws into a string */
+char *dtimezone( );
+	/* dtimezone( offset, flags ) returns the name of the time zone */
+
+char *dtimenow( );
+	/* dtimenow( ) returns a string for the current date/time */
+
+struct tws *dparsetime( );
+	/* dparsetime( &str ) turns a string into a tws */
+
+struct tws *dtwstime( );
+	/* dtwstime( ) returns a tws for the current date/time */
+
+#ifdef ATZ
+#define dtime(cl) dasctime( dlocaltime( cl ), TW_NULL )
+#else ATZ
+#define dtime(cl) dasctime( dlocaltime( cl ), TW_ZONE )
+#endif ATZ
+
+#define dtwszone(tw) dtimezone( tw -> tw_zone, tw -> tw_flags )
+
+
+extern char   *tw_dotw[], *tw_ldotw[], *tw_moty[];