Add wcstoimax(3) and wcstoumax(3).

ok miod@

src/include/inttypes.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: inttypes.h,v 1.9 2006/01/15 00:47:51 millert Exp $	*/
+/*	$OpenBSD: inttypes.h,v 1.10 2009/01/13 18:13:51 kettenis Exp $	*/
 
 /*
  * Copyright (c) 1997, 2005 Todd C. Miller <Todd.Miller@courtesan.com>
@@ -21,6 +21,10 @@
 
 #include <sys/stdint.h>
 
+#ifdef __cplusplus
+#define __wchar_t	wchar_t
+#endif
+
 #if !defined(__cplusplus) || defined(__STDC_FORMAT_MACROS)
 /*
  * 7.8.1 Macros for format specifiers
@@ -252,6 +256,10 @@ intmax_t	imaxabs(intmax_t);
 imaxdiv_t	imaxdiv(intmax_t, intmax_t);
 intmax_t	strtoimax(const char *, char **, int);
 uintmax_t	strtoumax(const char *, char **, int);
+intmax_t	wcstoimax(const __wchar_t * __restrict,
+		    __wchar_t ** __restrict, int);
+uintmax_t	wcstoumax(const __wchar_t * __restrict,
+		    __wchar_t ** __restrict, int);
 __END_DECLS
 
 #endif /* _INTTYPES_H_ */