msvcrt: Added _isctype_l implementation.

dlls/msvcrt/ctype.c

@@ -66,11 +66,12 @@ WORD** CDECL MSVCRT___pctype_func(void)
 }
 
 /*********************************************************************
- *		_isctype (MSVCRT.@)
+ *		_isctype_l (MSVCRT.@)
  */
-int CDECL _isctype(int c, int type)
+int CDECL _isctype_l(int c, int type, MSVCRT__locale_t locale)
 {
-  MSVCRT__locale_t locale = get_locale();
+  if(!locale)
+      locale = get_locale();
 
   if (c >= -1 && c <= 255)
     return locale->locinfo->pctype[c] & type;
@@ -94,6 +95,14 @@ int CDECL _isctype(int c, int type)
 }
 
 /*********************************************************************
+ *              _isctype (MSVCRT.@)
+ */
+int CDECL _isctype(int c, int type)
+{
+    return _isctype_l(c, type, NULL);
+}
+
+/*********************************************************************
  *		isalnum (MSVCRT.@)
  */
 int CDECL MSVCRT_isalnum(int c)

dlls/msvcrt/msvcrt.spec

@@ -535,7 +535,7 @@
 @ cdecl _isatty(long)
 # stub _iscntrl_l(long ptr)
 @ cdecl _isctype(long long)
-# stub _isctype_l(long long ptr)
+@ cdecl _isctype_l(long long ptr)
 # stub _isdigit_l(long ptr)
 # stub _isgraph_l(long ptr)
 # stub _isleadbyte_l(long ptr)