Added license information!

1 files changed, 20 insertions, 6 deletions

diff --git a/include/zobrist.h b/include/zobrist.h
index cfc2941..2b1a9dd 100644
--- a/include/zobrist.h
+++ b/include/zobrist.h
@@ -1,12 +1,26 @@
+/*
+	This file is part of ctak.
+
+	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 Takwrap.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 #include <xorshift64.h>
 #include <tak.h>
 #include <actions.h>
 
-void
-zobrist_free(void);
+void zobrist_free(void);
 
-int
-zobrist_init(void);
+int zobrist_init(void);
 
-uint64_t
-zobrist_compute(void);
+uint64_t zobrist_compute(void);