--- xnu/xnu-201/iokit/Kernel/IOStringFuncs.c
+++ xnu/xnu-4570.41.2/iokit/Kernel/IOStringFuncs.c
@@ -1,25 +1,33 @@
 /*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
+ * Copyright (c) 1998-2016 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
- */
-/*      Copyright (c) 1995 NeXT Computer, Inc.  All rights reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
+/*      
+ *      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
@@ -32,7 +40,7 @@
  *      Commented out references to errno.
  */
 
-/*-
+/*
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
@@ -71,8 +79,15 @@
 #include <limits.h>
 */
 #include <sys/types.h>
-#include <stddef.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;
 
@@ -108,16 +123,13 @@
  * alphabets and digits are each contiguous.
  */
 long
-strtol(nptr, endptr, base)
-	const char *nptr;
-	char **endptr;
-	register int base;
-{
-	register const char *s = nptr;
-	register unsigned long acc;
-	register int c;
-	register unsigned long cutoff;
-	register int neg = 0, any, cutlim;
+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;
 
 	/*
 	 * Skip white space and pick up leading +/- sign if any.
@@ -189,21 +201,27 @@
 	} else if (neg)
 		acc = -acc;
 	if (endptr != 0)
-		*endptr = (char *)(any ? s - 1 : nptr);
+	{
+		if(any)
+		{
+			*endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
+		}
+		else
+		{
+			*endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
+		}
+	}
 	return (acc);
 }
 
 unsigned long
-strtoul(nptr, endptr, base)
-	const char *nptr;
-	char **endptr;
-	register int base;
-{
-	register const char *s = nptr;
-	register unsigned long acc;
-	register int c;
-	register unsigned long cutoff;
-	register int neg = 0, any, cutlim;
+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;
 
 	/*
 	 * See strtol for comments as to the logic used.
@@ -254,7 +272,17 @@
 	} else if (neg)
 		acc = -acc;
 	if (endptr != 0)
-		*endptr = (char *)(any ? s - 1 : nptr);
+	{
+		if(any)
+		{
+			*endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
+		}
+		else
+		{
+			*endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
+		}
+	}
+
 	return (acc);
 }
 
@@ -265,16 +293,13 @@
  * alphabets and digits are each contiguous.
  */
 quad_t
-strtoq(nptr, endptr, base)
-	const char *nptr;
-	char **endptr;
-	register int base;
-{
-	register const char *s;
-	register u_quad_t acc;
-	register int c;
-	register u_quad_t qbase, cutoff;
-	register int neg, any, cutlim;
+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;
 
 	/*
 	 * Skip white space and pick up leading +/- sign if any.
@@ -333,7 +358,7 @@
 			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;
@@ -347,7 +372,17 @@
 	} else if (neg)
 		acc = -acc;
 	if (endptr != 0)
-		*endptr = (char *)(any ? s - 1 : nptr);
+	{
+		if(any)
+		{
+			*endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
+		}
+		else
+		{
+			*endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
+		}
+	}
+
 	return (acc);
 }
 
@@ -359,16 +394,15 @@
  * alphabets and digits are each contiguous.
  */
 u_quad_t
-strtouq(nptr, endptr, base)
-	const char *nptr;
-	char **endptr;
-	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;
+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;
 
 	/*
 	 * See strtoq for comments as to the logic used.
@@ -405,7 +439,7 @@
 			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;
@@ -419,23 +453,20 @@
 	} else if (neg)
 		acc = -acc;
 	if (endptr != 0)
-		*endptr = (char *)(any ? s - 1 : nptr);
+	{
+		if(any)
+		{
+			*endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
+		}
+		else
+		{
+			*endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
+		}
+	}
+
 	return (acc);
 }
 
-
-/*
- *
- */
-
-char *strchr(const char *str, int ch)
-{
-    do {
-	if (*str == ch)
-	    return((char *)str);
-    } while (*str++);
-    return ((char *) 0);
-}
 
 /*
  *