diff --git a/cmenu/main.c b/cmenu/main.c
new file mode 100644
index 0000000..11c1471
--- /dev/null
+++ b/cmenu/main.c
@@ -0,0 +1,9 @@
+
+
+
+
+// Opens a fuzzy finding window with the given array of strings.
+// Returns the index of the picked element.
+// Returns -1 on no selection.
+int picker(char const *strings, int strings_len, char const *prompt) {
+}
diff --git a/cmenu/platform.h b/cmenu/platform.h
new file mode 100644
index 0000000..e98d53b
--- /dev/null
+++ b/cmenu/platform.h
@@ -0,0 +1,51 @@
+#ifndef PLATFORM
+#define PLATFORM
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef struct Color {
+	uint8_t r, g, b;
+} Color;
+
+#define WHITE ((Color){255,255,255})
+#define BLACK ((Color){0,0,0})
+
+typedef enum Key {
+	Key_backspace,
+	Key_ctrl,
+	Key_enter,
+	Key_h,
+	Key_n,
+	Key_p,
+	Key_y,
+	Count_Key
+} Key;
+
+bool KeyIsDown(Key key);
+bool KeyIsUp(Key key);
+bool KeyIsJustPressedOrRepeat(Key key);
+bool KeyIsJustPressed(Key key);
+bool KeyIsJustReleased(Key key);
+bool InputGetNextPrintable(char const *out_key);
+
+typedef struct Screen {
+	void *handle;
+} Screen;
+
+typedef struct Window {
+	int width;
+	int height;
+	void *handle;
+	Screen screen;
+} Window;
+
+Screen ScreenGetFocused();
+int ScreenGetWidth(Screen screen);
+int ScreenGetHeight(Screen screen);
+// Make a window specifically suitable for tools like launchers.
+// Always on top, not resizable, closes on lost focus.
+Window ScreenMakeStaticWindow(int x, int y, int width, int height);
+void WindowClear(Color color);
+
+#endif /* PLATFORM */
diff --git a/cmenu/platform.x11.c b/cmenu/platform.x11.c
new file mode 100644
index 0000000..e69de29