--- Libc/Libc-262/include/regex.h
+++ Libc/Libc-498/include/regex.h
@@ -3,19 +3,20 @@
  *
  * @APPLE_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. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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@
  */
@@ -61,15 +62,20 @@
 #ifndef _REGEX_H_
 #define	_REGEX_H_
 
-#include <sys/cdefs.h>
+#include <_types.h>
 
 /* types */
-typedef off_t regoff_t;
+typedef __darwin_off_t regoff_t;
+
+#ifndef _SIZE_T
+#define _SIZE_T
+typedef __darwin_size_t	size_t;
+#endif
 
 typedef struct {
 	int re_magic;
 	size_t re_nsub;		/* number of parenthesized subexpressions */
-	__const char *re_endp;	/* end pointer for REG_PEND */
+	const char *re_endp;	/* end pointer for REG_PEND */
 	struct re_guts *re_g;	/* none of your business :-) */
 } regex_t;
 
@@ -79,16 +85,21 @@
 } regmatch_t;
 
 /* regcomp() flags */
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 #define	REG_BASIC	0000
+#endif	/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 #define	REG_EXTENDED	0001
 #define	REG_ICASE	0002
 #define	REG_NOSUB	0004
 #define	REG_NEWLINE	0010
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 #define	REG_NOSPEC	0020
 #define	REG_PEND	0040
 #define	REG_DUMP	0200
+#endif	/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 
 /* regerror() flags */
+#define	REG_ENOSYS	 (-1)	/* Reserved */
 #define	REG_NOMATCH	 1
 #define	REG_BADPAT	 2
 #define	REG_ECOLLATE	 3
@@ -102,26 +113,43 @@
 #define	REG_ERANGE	11
 #define	REG_ESPACE	12
 #define	REG_BADRPT	13
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 #define	REG_EMPTY	14
 #define	REG_ASSERT	15
 #define	REG_INVARG	16
+#define	REG_ILLSEQ	17
 #define	REG_ATOI	255	/* convert name to number (!) */
 #define	REG_ITOA	0400	/* convert number to name (!) */
+#endif	/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 
 /* regexec() flags */
 #define	REG_NOTBOL	00001
 #define	REG_NOTEOL	00002
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 #define	REG_STARTEND	00004
 #define	REG_TRACE	00400	/* tracing of execution */
 #define	REG_LARGE	01000	/* force large representation */
 #define	REG_BACKR	02000	/* force use of backref code */
+#endif	/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 
 __BEGIN_DECLS
-int	regcomp __P((regex_t *, const char *, int));
-size_t	regerror __P((int, const regex_t *, char *, size_t));
-int	regexec __P((const regex_t *,
-	    const char *, size_t, regmatch_t [], int));
-void	regfree __P((regex_t *));
+//Begin-Libc
+#ifndef LIBC_ALIAS_REGCOMP
+//End-Libc
+int	regcomp(regex_t * __restrict, const char * __restrict, int) __DARWIN_ALIAS(regcomp);
+//Begin-Libc
+#else /* LIBC_ALIAS_REGCOMP */
+int	regcomp(regex_t * __restrict, const char * __restrict, int) LIBC_ALIAS(regcomp);
+#endif /* !LIBC_ALIAS_REGCOMP */
+//End-Libc
+size_t	regerror(int, const regex_t * __restrict, char * __restrict, size_t);
+/*
+ * gcc under c99 mode won't compile "[ __restrict]" by itself.  As a workaround,
+ * a dummy argument name is added.
+ */
+int	regexec(const regex_t * __restrict, const char * __restrict, size_t,
+	    regmatch_t __pmatch[ __restrict], int);
+void	regfree(regex_t *);
 __END_DECLS
 
 #endif /* !_REGEX_H_ */