1 files changed, 6 insertions, 4 deletions
diff --git a/src/oniggnu.h b/src/oniggnu.h
index 3da9f23..d688883 100644
--- a/src/oniggnu.h
+++ b/src/oniggnu.h
@@ -35,10 +35,12 @@
 extern "C" {
 #endif
 
-#define RE_MBCTYPE_ASCII         0
-#define RE_MBCTYPE_EUC           1
-#define RE_MBCTYPE_SJIS          2
-#define RE_MBCTYPE_UTF8          3
+enum {
+  RE_MBCTYPE_ASCII = 0,
+  RE_MBCTYPE_EUC   = 1,
+  RE_MBCTYPE_SJIS  = 2,
+  RE_MBCTYPE_UTF8  = 3
+};
 
 /* GNU regex options */
 #ifndef RE_NREGS