Added GPL 3 license notice to source code

diff --git a/parrotsay.c b/parrotsay.c
index 2d0f2061080ada7ca24d1c2c686d9a65ec849c96..1e5a2f54a248405c8a029e13961714511291d2ac 100644 (file)
--- a/parrotsay.c
+++ b/parrotsay.c
@@ -1,3 +1,18 @@
+/*
+    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 <stdio.h>
 #include <string.h>
 #include <stdlib.h>