* MacOSX/386/include/lib9.h: more rune

MacOSX/386/include/lib9.h

@@ -34,7 +34,10 @@ typedef unsigned long	ulong;
 typedef	  signed char	schar;
 typedef	long long	vlong;
 typedef	unsigned long long	uvlong;
-typedef ushort		Rune;
+//PAD: typedef ushort		Rune; backported from latest plan9
+// to not get some "illegal rune" error when compiling libc/
+typedef unsigned int	uint;
+typedef uint		Rune;
 typedef unsigned int	u32int;
 typedef uvlong u64int;
 
@@ -86,10 +89,17 @@ extern	vlong	strtoll(const char*, char**, int);
 
 enum
 {
-	UTFmax		= 3,		/* maximum bytes per rune */
+	UTFmax		= 4,		/* maximum bytes per rune */
 	Runesync	= 0x80,		/* cannot represent part of a UTF sequence (<) */
 	Runeself	= 0x80,		/* rune and UTF sequences are the same (<) */
-	Runeerror	= 0x80		/* decoding error in UTF */
+	Runeerror	= 0xFFFD,	/* decoding error in UTF */
+	Runemax		= 0x10FFFF,	/* 21-bit rune */
+	Runemask	= 0x1FFFFF,	/* bits used by runes (see grep) */
+
+//PAD:	UTFmax		= 3,		/* maximum bytes per rune */
+//PAD:	Runesync	= 0x80,		/* cannot represent part of a UTF sequence (<) */
+//PAD:	Runeself	= 0x80,		/* rune and UTF sequences are the same (<) */
+//PAD:	Runeerror	= 0x80		/* decoding error in UTF */
 };
 
 /*