1 files changed, 1 insertions, 0 deletions
diff --git a/fns.h b/fns.h
index 4c8b682..dd3745b 100644
--- a/fns.h
+++ b/fns.h
@@ -72,6 +72,7 @@ int islist(Term *);
 int ispartiallist(Term *t);
 int isemptylist(Term *);
 int isnonemptylist(Term *);
+int ispredicateindicator(Term *, int);
 Term *listhead(Term *);
 Term *listtail(Term *);