x stuff

main.c

 
 	freeaddrinfo(info);
 
+	// This is useful
+	if (getenv("DISPLAY") == NULL) {
+		setenv("DISPLAY", ":0", 1);
+	}
+
 	Display *display = XOpenDisplay(NULL);
+	if (display == NULL) {
+		fprintf(stderr, "Failed to open display.\n");
+		return 1;
+	}
+
 	Window root = XDefaultRootWindow(display);
 	XWindowAttributes gwa;
 	XGetWindowAttributes(display, root, &gwa);