diff --git a/include/util.h b/include/util.h
index 448e7c14..dd5392a5 100644
--- a/include/util.h
+++ b/include/util.h
@@ -1,4 +1,4 @@
-/* $Id: util.h,v 1.3 2001/06/28 21:22:01 peter Exp $
+/* $Id: util.h,v 1.4 2001/06/29 02:11:36 peter Exp $
  * Defines prototypes for replacement functions if needed.
  *
  *  Copyright (C) 2001  Peter Johnson
@@ -26,4 +26,12 @@
 char *strdup(const char *str);
 #endif
 
+#ifndef HAVE_STRTOUL
+unsigned long strtoul(const char *nptr, char **endptr, int base);
+#endif
+
+#ifndef HAVE_TOASCII
+# define toascii(c) ((c) & 0x7F)
+#endif
+
 #endif
diff --git a/libyasm/util.h b/libyasm/util.h
index 448e7c14..dd5392a5 100644
--- a/libyasm/util.h
+++ b/libyasm/util.h
@@ -1,4 +1,4 @@
-/* $Id: util.h,v 1.3 2001/06/28 21:22:01 peter Exp $
+/* $Id: util.h,v 1.4 2001/06/29 02:11:36 peter Exp $
  * Defines prototypes for replacement functions if needed.
  *
  *  Copyright (C) 2001  Peter Johnson
@@ -26,4 +26,12 @@
 char *strdup(const char *str);
 #endif
 
+#ifndef HAVE_STRTOUL
+unsigned long strtoul(const char *nptr, char **endptr, int base);
+#endif
+
+#ifndef HAVE_TOASCII
+# define toascii(c) ((c) & 0x7F)
+#endif
+
 #endif
diff --git a/src/util.h b/src/util.h
index 448e7c14..dd5392a5 100644
--- a/src/util.h
+++ b/src/util.h
@@ -1,4 +1,4 @@
-/* $Id: util.h,v 1.3 2001/06/28 21:22:01 peter Exp $
+/* $Id: util.h,v 1.4 2001/06/29 02:11:36 peter Exp $
  * Defines prototypes for replacement functions if needed.
  *
  *  Copyright (C) 2001  Peter Johnson
@@ -26,4 +26,12 @@
 char *strdup(const char *str);
 #endif
 
+#ifndef HAVE_STRTOUL
+unsigned long strtoul(const char *nptr, char **endptr, int base);
+#endif
+
+#ifndef HAVE_TOASCII
+# define toascii(c) ((c) & 0x7F)
+#endif
+
 #endif
diff --git a/util.h b/util.h
index 448e7c14..dd5392a5 100644
--- a/util.h
+++ b/util.h
@@ -1,4 +1,4 @@
-/* $Id: util.h,v 1.3 2001/06/28 21:22:01 peter Exp $
+/* $Id: util.h,v 1.4 2001/06/29 02:11:36 peter Exp $
  * Defines prototypes for replacement functions if needed.
  *
  *  Copyright (C) 2001  Peter Johnson
@@ -26,4 +26,12 @@
 char *strdup(const char *str);
 #endif
 
+#ifndef HAVE_STRTOUL
+unsigned long strtoul(const char *nptr, char **endptr, int base);
+#endif
+
+#ifndef HAVE_TOASCII
+# define toascii(c) ((c) & 0x7F)
+#endif
+
 #endif