1 files changed, 3 insertions, 3 deletions
diff --git a/intern.h b/intern.h
index c38c00174a..cc39169073 100644
--- a/intern.h
+++ b/intern.h
@@ -353,9 +353,9 @@ VALUE rb_range_new _((VALUE, VALUE, int));
 VALUE rb_range_beg_len _((VALUE, long*, long*, long, int));
 VALUE rb_length_by_each _((VALUE));
 /* re.c */
-int rb_memcmp _((char*,char*,long));
-int rb_memcicmp _((char*,char*,long));
-long rb_memsearch _((char*,long,char*,long));
+int rb_memcmp _((const void*,const void*,long));
+int rb_memcicmp _((const void*,const void*,long));
+long rb_memsearch _((const void*,long,const void*,long));
 VALUE rb_reg_nth_defined _((int, VALUE));
 VALUE rb_reg_nth_match _((int, VALUE));
 VALUE rb_reg_last_match _((VALUE));