diff --git a/.gitignore b/.gitignore
index f2f3841..93cfaee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .vscode/
+build/
 main
diff --git a/run.sh b/run.sh
index 4a5b979..e8a700e 100755
--- a/run.sh
+++ b/run.sh
@@ -1,4 +1,6 @@
 #!/bin/bash
 
-gcc `pkg-config --static --libs glfw3` -o main main.c
+mkdir -p build
+gcc `pkg-config --static --libs glfw3` -c src/window.c -o build/window.o
+gcc `pkg-config --static --libs glfw3` build/window.o -o main src/main.c
 ./main
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..a2c850d
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <GLFW/glfw3.h>
+#include "window.h"
+
+void loop(GLFWwindow* window) {
+    while(!glfwWindowShouldClose(window)) {
+        // ...
+        glfwPollEvents();
+    }
+}
+
+int main(int argc, const char *argv[]) {
+    GLFWwindow* window = vkeCreateWindow("Test", 800, 600);
+
+    if(window == NULL) {
+        return -1;
+    }
+
+    loop(window);
+    vkeDestroyWindow(window);
+    return 0;
+}
diff --git a/main.c b/src/window.c
similarity index 55%
rename from main.c
rename to src/window.c
index b6c9eeb..fab7b53 100644
--- a/main.c
+++ b/src/window.c
@@ -1,7 +1,8 @@
+#include "window.h"
 #include <stdio.h>
 #include <GLFW/glfw3.h>
 
-GLFWwindow* createWindow(const char* title, int width, int height) {
+GLFWwindow* vkeCreateWindow(const char* title, int width, int height) {
     int err = glfwInit();
 
     if(err != GLFW_TRUE) {
@@ -20,26 +21,7 @@ GLFWwindow* createWindow(const char* title, int width, int height) {
     return window;
 }
 
-void destroyWindow(GLFWwindow* window) {
+void vkeDestroyWindow(GLFWwindow* window) {
     glfwDestroyWindow(window);
     glfwTerminate();
 }
-
-void loop(GLFWwindow* window) {
-    while(!glfwWindowShouldClose(window)) {
-        // ...
-        glfwPollEvents();
-    }
-}
-
-int main(int argc, const char *argv[]) {
-    GLFWwindow* window = createWindow("Test", 800, 600);
-
-    if(window == NULL) {
-        return -1;
-    }
-
-    loop(window);
-    destroyWindow(window);
-    return 0;
-}
diff --git a/src/window.h b/src/window.h
new file mode 100644
index 0000000..f609b0a
--- /dev/null
+++ b/src/window.h
@@ -0,0 +1,13 @@
+#ifndef VKE_WINDOW_H
+#define VKE_WINDOW_H
+
+#include <GLFW/glfw3.h>
+
+// Creates a new window for given title and dimensions.
+// Returns NULL in case of an error.
+GLFWwindow* vkeCreateWindow(const char* title, int width, int height);
+
+// Destroys given window.
+void vkeDestroyWindow(GLFWwindow* window);
+
+#endif