diff --git a/src/include/c.h b/src/include/c.h
index 08335bb988..e00ee1e1eb 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -12,7 +12,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: c.h,v 1.108 2001/11/05 17:46:31 momjian Exp $
+ * $Id: c.h,v 1.109 2001/11/12 01:52:46 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -147,6 +147,7 @@
 /* BeOS defines bool already, but the compiler chokes on the
  * #ifndef unless we wrap it in this check.
  */
+/* Also defined in interfaces/odbc/md5.h */
 #ifndef __BEOS__
 
 #ifndef __cplusplus
@@ -216,6 +217,7 @@ typedef signed int int32;		/* == 32 bits */
  *		used for numerical computations and the
  *		frontend/backend protocol.
  */
+/* Also defined in interfaces/odbc/md5.h */
 #ifndef __BEOS__				/* this shouldn't be required, but is is! */
 typedef unsigned char uint8;	/* == 8 bits */
 typedef unsigned short uint16;	/* == 16 bits */
diff --git a/src/include/libpq/crypt.h b/src/include/libpq/crypt.h
index 6a7b06ce12..458be1fd2c 100644
--- a/src/include/libpq/crypt.h
+++ b/src/include/libpq/crypt.h
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: crypt.h,v 1.18 2001/11/05 17:46:33 momjian Exp $
+ * $Id: crypt.h,v 1.19 2001/11/12 01:52:46 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -17,6 +17,7 @@
 
 #define CRYPT_PWD_FILE_SEPSTR	"\t"
 
+/* Also defined in interfaces/odbc/md5.h */
 #define MD5_PASSWD_LEN	35
 
 #define isMD5(passwd)	(strncmp((passwd),"md5",3) == 0 && \
@@ -30,6 +31,7 @@ extern int md5_crypt_verify(const Port *port, const char *user,
 				 const char *pgpass);
 extern bool md5_hash(const void *buff, size_t len, char *hexsum);
 extern bool CheckMD5Pwd(char *passwd, char *storedpwd, char *seed);
+/* Also defined in interfaces/odbc/md5.h */
 extern bool EncryptMD5(const char *passwd, const char *salt,
 		   size_t salt_len, char *buf);