--- a/usr/src/lib/libc/port/llib-lc	Mon Sep 29 01:34:40 2008 -0700
+++ b/usr/src/lib/libc/port/llib-lc	Mon Sep 29 03:46:02 2008 -0700
@@ -241,6 +241,8 @@
 
 /* assert.c */
 void _assert(const char *assertion, const char *filename, int line_num);
+void __assert_c99(const char *assertion, const char *filename, int line_num,
+    const char *funcname);
 
 /* atexit.c */
 int atexit(void(*func)());