Add support for builtins, and implement true/0, fail/0, call/1, and !/0 builtins

1 files changed, 4 insertions, 1 deletions

diff --git a/fns.h b/fns.h
index b8e92ca..d145b81 100644
--- a/fns.h
+++ b/fns.h
@@ -17,4 +17,7 @@ Term *mknumber(int, vlong, double);
 int evalquery(Term *, Term *, Binding **);
 
 /* repl.c */
-void repl(Term *);
\ No newline at end of file
+void repl(Term *);
+
+/* builtins.c */
+Builtin findbuiltin(Term *);