diff --git a/lib/str.h b/lib/str.h
index c001656..145863d 100644
--- a/lib/str.h
+++ b/lib/str.h
@@ -1,12 +1,12 @@
 /*
- * $Id: str.h,v 1.2 2005/04/02 16:01:05 ajs Exp $
+ * $Id: str.h,v 1.3 2005/05/06 21:25:49 paul Exp $
  */
 
 #ifndef _ZEBRA_STR_H
 #define _ZEBRA_STR_H
 
 #ifndef HAVE_SNPRINTF
-int snprintf(char *, size_t, const char *, ...);
+extern int snprintf(char *, size_t, const char *, ...);
 #endif
 
 #ifndef HAVE_VSNPRINTF
@@ -14,15 +14,16 @@
 #endif
 
 #ifndef HAVE_STRLCPY
-size_t strlcpy(char *, const char *, size_t);
+extern size_t strlcpy(char *, const char *, size_t);
 #endif
 
 #ifndef HAVE_STRLCAT
-size_t strlcat(char *, const char *, size_t);
+extern size_t strlcat(char *, const char *, size_t);
 #endif
 
 #ifndef HAVE_STRNLEN
 extern size_t strnlen(const char *s, size_t maxlen);
 #endif
 
-#endif
+#endif /* _ZEBRA_STR_H */
+