new example project

example-project/constants.c

@@ -0,0 +1,5 @@
+#include "constants.h"
+
+const int k_window_height = 800;
+const int k_window_width = 600;
+const char *k_window_title = "Hello World";

example-project/constants.h

@@ -0,0 +1,5 @@
+#pragma once
+
+extern const int k_window_width;
+extern const int k_window_height;
+extern const char *k_window_title;

example-project/hello world.c

@@ -1 +0,0 @@
-int x = 10;

example-project/hello world.h

@@ -1,3 +0,0 @@
-#pragma once
-
-extern int x;

example-project/main.c

@@ -1,10 +1,16 @@
-#include <math.h>
-#include <stdio.h>
+//#bb pkgs := sdl2
 
-#include "hello world.h"
-
-//#bb ldflags := -lm
+#include <SDL.h>
+#include "constants.h"
 
 int main() {
-	printf("sin(%i) is %f\n", x, sin(x));
+	SDL_Init(SDL_INIT_VIDEO);
+	SDL_Window *win = SDL_CreateWindow(k_window_title,
+			SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
+			k_window_width, k_window_height, 0);
+
+	SDL_Delay(5000);
+
+	SDL_DestroyWindow(win);
+	SDL_Quit();
 }