M thing/src/thing.c → thing/src/thing.c

@@ -1,10 +1,10 @@
-#include <stdio.h>
-#include <termios.h>
-
 #include <libthingterm/menu.h>
 #include <libthingterm/term.h>
 
-int main() {
+#include <stdio.h>
+#include <termios.h>
+
+int main(void) {
   uint8_t ret = 0;
   struct termios old_term;
   setup_term(&old_term);
@@ -13,7 +13,7 @@ static char *elements[] = {"hi", "hello", "what's up", "dang",
                              "this is cool"};
 
   int seli = menu(elements, 5);
-  if (seli < 0) {
+  if (seli < -1) { // -1 means program was quit
     printf("ERROR: menu failed");
     ret = 1;
   }