diff --git a/implementations/C/joy.c b/implementations/C/joy.c
index 85d47ea..112b9a8 100644
--- a/implementations/C/joy.c
+++ b/implementations/C/joy.c
@@ -582,9 +582,27 @@ clear(JoyListPtr stack, __attribute__((unused)) JoyListPtr expression)
 }
 
 
-void div_joyfunc(JoyListPtr stack, JoyListPtr expression) {stack = expression;}
-void mod(JoyListPtr stack, JoyListPtr expression) {stack = expression;}
-void truthy(JoyListPtr stack, JoyListPtr expression) {stack = expression;}
+void
+truthy(JoyListPtr stack, JoyListPtr expression)
+{
+	*stack = EMPTY_LIST;
+}
+/*
+	JoyListPtr s = stack;
+	JoyList node = pop_any(stack);
+	switch (node->head->kind) {
+	case joyTrue:
+		stack = s;
+	case joyFalse:
+		stack = s;
+	case joyInt:
+		push_thing(
+		if (node->head->value.i);
+	default:
+
+	stack = expression;
+}
+*/
 
 
 /*
diff --git a/implementations/C/notes b/implementations/C/notes
index 9795ced..d6a315a 100644
--- a/implementations/C/notes
+++ b/implementations/C/notes
@@ -1,3 +1,31 @@
+
+So how do we want to handle definitions?  Read a defs.txt file at
+compile time?  Build defs.c from defs.txt?
+
+void
+defname(JoyListPtr stack, JoyListPtr expression)
+{
+	def_node = some C initializer?
+	def_node = text_to_expression("dup mul");
+	push_quote(def_node, expression);
+}
+
+...?
+
+I think the easiest thing to do at the mo' would be to hardcode the defs
+as an array of strings and then read them and convert at start time?
+
+
+
+
+
+
+
+
+
+
+
+
 	/*mpz_t pi;*/
 	/*char *text = (char *)TEXT;*/
 	/*mpz_init_set_str(pi, "3141592653589793238462643383279502884", 10);*/