updated for version 7.0g
diff --git a/src/mbyte.c b/src/mbyte.c
index 2114654..e1c5947 100644
--- a/src/mbyte.c
+++ b/src/mbyte.c
@@ -2201,8 +2201,8 @@
if (a < 128 && (cmp_flags & CMP_KEEPASCII))
return TOUPPER_ASC(a);
-#if defined(HAVE_TOWUPPER) && defined(__STDC__ISO_10646__)
- /* If towupper() is availble and handles Unicode, use it. */
+#if defined(HAVE_TOWUPPER) && defined(__STDC_ISO_10646__)
+ /* If towupper() is available and handles Unicode, use it. */
if (!(cmp_flags & CMP_INTERNAL))
return towupper(a);
#endif
@@ -2234,7 +2234,7 @@
if (a < 128 && (cmp_flags & CMP_KEEPASCII))
return TOLOWER_ASC(a);
-#if defined(HAVE_TOWLOWER) && defined(__STDC__ISO_10646__)
+#if defined(HAVE_TOWLOWER) && defined(__STDC_ISO_10646__)
/* If towlower() is available and handles Unicode, use it. */
if (!(cmp_flags & CMP_INTERNAL))
return towlower(a);