some refractoring

src/app.c

@@ -4,24 +4,18 @@
 #include <pthread.h>
 #include <time.h>
 
-extern boolean_t render_loop(void* args);
 extern void *event_loop(void* args);
 extern void *cmd_loop(void* args);
 
 boolean_t c_run(void* args)
 {
     pthread_t event_thread;
-    pthread_t cmd_thread;
 
     if (pthread_create(&event_thread, NULL, event_loop, args) != 0)
     {
         perror("Failed to create thread");
     }
 
-    if (pthread_create(&cmd_thread, NULL, cmd_loop, args) != 0)
-    {
-        perror("Failed to create thread");
-    }
-
-    return render_loop(args);
+    cmd_loop(args);
+    return FALSE;
 }