Index: procutils/usr/src/cmd/ptools/psig/psig.c
===================================================================
--- procutils.orig/usr/src/cmd/ptools/psig/psig.c	2013-02-14 21:02:48.503433427 +0000
+++ procutils/usr/src/cmd/ptools/psig/psig.c	2013-02-14 22:03:13.291023923 +0000
@@ -114,7 +114,7 @@
 	GElf_Sym sym;
 
 	if (Plookup_by_name(Pr, "libc.so", "_tdb_bootstrap", &sym) < 0)
-		return (NULL);
+		return (0);
 #ifdef _LP64
 	if (dmodel != PR_MODEL_NATIVE) {
 		caddr32_t uaddr;