--- xnu/xnu-4570.41.2/iokit/Kernel/IOStringFuncs.c
+++ xnu/xnu-1228/iokit/Kernel/IOStringFuncs.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998-2016 Apple Inc. All rights reserved.
+ * Copyright (c) 1998-2006 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -25,9 +25,7 @@
  * 
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
-
-/*      
- *      Copyright (c) 1995 NeXT Computer, Inc.  All rights reserved.
+/*      Copyright (c) 1995 NeXT Computer, Inc.  All rights reserved.
  *
  * strol.c - The functions strtol() & strtoul() are exported as public API
  *           via the header file ~driverkit/generalFuncs.h
@@ -40,7 +38,7 @@
  *      Commented out references to errno.
  */
 
-/*
+/*-
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
@@ -81,14 +79,6 @@
 #include <sys/types.h>
 #include <machine/limits.h>
 
-
-long strtol(const char *nptr, char **endptr, int base);
-unsigned long strtoul(const char *nptr, char **endptr, int base);
-quad_t strtoq(const char *nptr, char **endptr, int base);
-u_quad_t strtouq(const char *nptr, char **endptr, int base);
-char *strncat(char *s1, const char *s2, unsigned long n);
-
-
 typedef int BOOL;
 
 static inline BOOL
@@ -125,11 +115,11 @@
 long
 strtol(const char *nptr, char **endptr, int base)
 {
-	const char *s = nptr;
-	unsigned long acc;
-	char c;
-	unsigned long cutoff;
-	int neg = 0, any, cutlim;
+	register const char *s = nptr;
+	register unsigned long acc;
+	register int c;
+	register unsigned long cutoff;
+	register int neg = 0, any, cutlim;
 
 	/*
 	 * Skip white space and pick up leading +/- sign if any.
@@ -201,27 +191,18 @@
 	} else if (neg)
 		acc = -acc;
 	if (endptr != 0)
-	{
-		if(any)
-		{
-			*endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
-		}
-		else
-		{
-			*endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
-		}
-	}
+		*endptr = (char *)(any ? s - 1 : nptr);
 	return (acc);
 }
 
 unsigned long
 strtoul(const char *nptr, char **endptr, int base)
 {
-	const char *s = nptr;
-	unsigned long acc;
-	char c;
-	unsigned long cutoff;
-	int neg = 0, any, cutlim;
+	register const char *s = nptr;
+	register unsigned long acc;
+	register int c;
+	register unsigned long cutoff;
+	register int neg = 0, any, cutlim;
 
 	/*
 	 * See strtol for comments as to the logic used.
@@ -272,17 +253,7 @@
 	} else if (neg)
 		acc = -acc;
 	if (endptr != 0)
-	{
-		if(any)
-		{
-			*endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
-		}
-		else
-		{
-			*endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
-		}
-	}
-
+		*endptr = (char *)(any ? s - 1 : nptr);
 	return (acc);
 }
 
@@ -295,11 +266,11 @@
 quad_t
 strtoq(const char *nptr, char **endptr, int base)
 {
-	const char *s;
-	u_quad_t acc;
-	char c;
-	u_quad_t qbase, cutoff;
-	int neg, any, cutlim;
+	register const char *s;
+	register u_quad_t acc;
+	register int c;
+	register u_quad_t qbase, cutoff;
+	register int neg, any, cutlim;
 
 	/*
 	 * Skip white space and pick up leading +/- sign if any.
@@ -358,7 +329,7 @@
 			break;
 		if (c >= base)
 			break;
-		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+		if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim)
 			any = -1;
 		else {
 			any = 1;
@@ -372,17 +343,7 @@
 	} else if (neg)
 		acc = -acc;
 	if (endptr != 0)
-	{
-		if(any)
-		{
-			*endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
-		}
-		else
-		{
-			*endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
-		}
-	}
-
+		*endptr = (char *)(any ? s - 1 : nptr);
 	return (acc);
 }
 
@@ -396,13 +357,13 @@
 u_quad_t
 strtouq(const char *nptr,
 	char **endptr,
-	int base)
-{
-	const char *s = nptr;
-	u_quad_t acc;
-	char c;
-	u_quad_t qbase, cutoff;
-	int neg, any, cutlim;
+	register int base)
+{
+	register const char *s = nptr;
+	register u_quad_t acc;
+	register int c;
+	register u_quad_t qbase, cutoff;
+	register int neg, any, cutlim;
 
 	/*
 	 * See strtoq for comments as to the logic used.
@@ -439,7 +400,7 @@
 			break;
 		if (c >= base)
 			break;
-		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+		if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim)
 			any = -1;
 		else {
 			any = 1;
@@ -453,20 +414,23 @@
 	} else if (neg)
 		acc = -acc;
 	if (endptr != 0)
-	{
-		if(any)
-		{
-			*endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
-		}
-		else
-		{
-			*endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
-		}
-	}
-
+		*endptr = (char *)(any ? s - 1 : nptr);
 	return (acc);
 }
 
+
+/*
+ *
+ */
+
+char *strchr(const char *str, int ch)
+{
+    do {
+	if (*str == ch)
+	    return((char *)str);
+    } while (*str++);
+    return ((char *) 0);
+}
 
 /*
  *