diff --git a/glxgears.c b/glxgears.c
index ea6697a..76b55f8 100644
--- a/glxgears.c
+++ b/glxgears.c
@@ -312,7 +312,7 @@ static void reshape(int width, int height) {
 	glMatrixMode(GL_MODELVIEW);
 }
 
-static void init(int argc, char *argv[]) {
+static void init_scene(void) {
 	glLightfv(GL_LIGHT0, GL_POSITION, (const GLfloat[]){5.0, 5.0, 10.0, 0.0});
 	glEnable(GL_CULL_FACE);
 	glEnable(GL_LIGHTING);
@@ -347,7 +347,14 @@ static void init(int argc, char *argv[]) {
 	glEndList();
 
 	glEnable(GL_NORMALIZE);
+}
 
+static void visible(int vis) {
+	Visible = vis;
+	update_idle_func();
+}
+
+void parse_args(int argc, char *argv[]) {
 	for (GLint i = 1; i < argc; i++) {
 		if (strcmp(argv[i], "-info") == 0) {
 			printf("GL_VENDOR     = %s\n", (char *)glGetString(GL_VENDOR));
@@ -365,17 +372,12 @@ static void init(int argc, char *argv[]) {
 	}
 }
 
-static void visible(int vis) {
-	Visible = vis;
-	update_idle_func();
-}
-
 int main(int argc, char *argv[]) {
-	glutInitWindowSize(300, 300);
+	parse_args(argc, argv);
 	glutInit(&argc, argv);
 	glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
 	win = glutCreateWindow("Gears");
-	init(argc, argv);
+	init_scene();
 
 	glutDisplayFunc(draw);
 	glutReshapeFunc(reshape);