diff --git a/model.c b/model.c
index dbf5915..7225bd6 100644
--- a/model.c
+++ b/model.c
@@ -11,42 +11,42 @@
 /* **************************************************************** */
 
 struct Env_t {
-  /* PUT YOUR VARIABLES HERE */
+	/* PUT YOUR VARIABLES HERE */
 };
 
 /* **************************************************************** */
 
-Env *init(SDL_Window *win, SDL_Renderer *ren, int argc, char *argv[]) {
-  Env *env = malloc(sizeof(struct Env_t));
+Env* init(SDL_Window* win, SDL_Renderer* ren, int argc, char* argv[]) {
+	Env* env = malloc(sizeof(struct Env_t));
 
-  /* PUT YOUR CODE HERE TO INIT TEXTURES, ... */
+	/* PUT YOUR CODE HERE TO INIT TEXTURES, ... */
 
-  return env;
+	return env;
 }
 
 /* **************************************************************** */
 
-void render(SDL_Window *win, SDL_Renderer *ren, Env *env) { /* PUT YOUR CODE HERE TO RENDER TEXTURES, ... */
+void render(SDL_Window* win, SDL_Renderer* ren, Env* env) { /* PUT YOUR CODE HERE TO RENDER TEXTURES, ... */
 }
 
 /* **************************************************************** */
 
-bool process(SDL_Window *win, SDL_Renderer *ren, Env *env, SDL_Event *e) {
-  if (e->type == SDL_QUIT) {
-    return true;
-  }
+bool process(SDL_Window* win, SDL_Renderer* ren, Env* env, SDL_Event* e) {
+	if (e->type == SDL_QUIT) {
+		return true;
+	}
 
-  /* PUT YOUR CODE HERE TO PROCESS EVENTS */
+	/* PUT YOUR CODE HERE TO PROCESS EVENTS */
 
-  return false;
+	return false;
 }
 
 /* **************************************************************** */
 
-void clean(SDL_Window *win, SDL_Renderer *ren, Env *env) {
-  /* PUT YOUR CODE HERE TO CLEAN MEMORY */
+void clean(SDL_Window* win, SDL_Renderer* ren, Env* env) {
+	/* PUT YOUR CODE HERE TO CLEAN MEMORY */
 
-  free(env);
+	free(env);
 }
 
 /* **************************************************************** */
diff --git a/model.h b/model.h
index 8712b5d..3856082 100644
--- a/model.h
+++ b/model.h
@@ -4,23 +4,37 @@
 #define MODEL_H
 
 #include <SDL.h>
-#include <stdio.h>
 #include <stdbool.h>
+#include <stdio.h>
 
 typedef struct Env_t Env;
 
 /* **************************************************************** */
-     
-#ifdef __ANDROID__ 
-#define PRINT(STR, ...) do { SDL_Log(STR, ##__VA_ARGS__);  } while(0)
-#define ERROR(STR, ...) do { SDL_Log(STR, ##__VA_ARGS__); exit(EXIT_FAILURE); } while(0)
+
+#ifdef __ANDROID__
+#define PRINT(STR, ...)              \
+	do {                             \
+		SDL_Log(STR, ##__VA_ARGS__); \
+	} while (0)
+#define ERROR(STR, ...)              \
+	do {                             \
+		SDL_Log(STR, ##__VA_ARGS__); \
+		exit(EXIT_FAILURE);          \
+	} while (0)
 #else
-#define PRINT(STR, ...) do { printf(STR, ##__VA_ARGS__); } while(0)
-#define ERROR(STR, ...) do { fprintf(stderr, STR, ##__VA_ARGS__); exit(EXIT_FAILURE); } while(0)
+#define PRINT(STR, ...)             \
+	do {                            \
+		printf(STR, ##__VA_ARGS__); \
+	} while (0)
+#define ERROR(STR, ...)                      \
+	do {                                     \
+		fprintf(stderr, STR, ##__VA_ARGS__); \
+		exit(EXIT_FAILURE);                  \
+	} while (0)
 #endif
 
 /* **************************************************************** */
-     
+
 #define APP_NAME "SDL2 Demo"
 #define SCREEN_WIDTH 600
 #define SCREEN_HEIGHT 600
@@ -28,10 +42,10 @@ typedef struct Env_t Env;
 
 /* **************************************************************** */
 
-Env * init(SDL_Window* win, SDL_Renderer* ren, int argc, char* argv[]);
-void render(SDL_Window* win, SDL_Renderer* ren, Env * env);
-void clean(SDL_Window* win, SDL_Renderer* ren, Env * env);
-bool process(SDL_Window* win, SDL_Renderer* ren, Env * env, SDL_Event * e);
+Env* init(SDL_Window* win, SDL_Renderer* ren, int argc, char* argv[]);
+void render(SDL_Window* win, SDL_Renderer* ren, Env* env);
+void clean(SDL_Window* win, SDL_Renderer* ren, Env* env);
+bool process(SDL_Window* win, SDL_Renderer* ren, Env* env, SDL_Event* e);
 
 /* **************************************************************** */