1 files changed, 21 insertions, 0 deletions
diff --git a/builtins.c b/builtins.c
index 1c40be1..c68b3d9 100644
--- a/builtins.c
+++ b/builtins.c
@@ -1,3 +1,24 @@
+/**
+ * @file builtins.c
+ * Provides built-in functions for the interpreter
+ * These must be loaded for an instance to do anything meaningful.
+ *
+ * Copyright (C) 2018 Clyne Sullivan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #include "builtins.h"
 
 #include <stdlib.h>