diff --git a/src/include/c.h b/src/include/c.h
index 8f0fae3b6d5bbaa7e447ff146270800f2e807a4b..8314f566a2c09d4e2f2ff3e82bfd51c2b8f9e7e0 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -7,7 +7,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: c.h,v 1.21 1997/09/18 17:06:21 momjian Exp $
+ * $Id: c.h,v 1.22 1997/09/18 18:48:32 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -711,11 +711,11 @@ typedef struct Exception
 									 */ \
 										(len) <= 64) \
 									{ \
-										int32 *i = (int32 *)(start); \
-										int32 *stop = (int32 *)((char *)(start) + (len)); \
+										int32 *_i = (int32 *)(start); \
+										int32 *_stop = (int32 *)((char *)(start) + (len)); \
 										\
-										while (i < stop) \
-											*i++ = 0; \
+										while (_i < _stop) \
+											*_i++ = 0; \
 									} \
 									else \
 										memset((start), (val), (len)); \