add usage

1 files changed, 3 insertions, 0 deletions

diff --git a/snake.c b/snake.c
index 9a88d26..cae7bb3 100644
--- a/snake.c
+++ b/snake.c
@@ -32,6 +32,9 @@ int main(int argc, char **argv) {
 			printf("This software was licensed under the MIT license;\n");
 			printf("for more information, see the license file.\n");
 			return 0;
+		} else if (strcmp("--usage", argv[i]) == 0) {
+			printf("usage: snake3 [--version] [--usage]\n");
+			return 0;
 		}
 	}
 	//get terminal size