diff --git a/include/utils/unix/XkeysToSkKeys.h b/include/utils/unix/XkeysToSkKeys.h
new file mode 100644
index 0000000..3d41a22
--- /dev/null
+++ b/include/utils/unix/XkeysToSkKeys.h
@@ -0,0 +1,23 @@
+#include "X11/Xlib.h"
+#include "X11/keysym.h"
+
+#include "SkKey.h"
+
+#ifndef XKEYS_TOSKKEYS_H
+#define XKEYS_TOSKKEYS_H
+
+SkKey XKeyToSkKey(KeySym keysym) {
+    switch (keysym) {
+        case XK_Right:
+            return kRight_SkKey;
+        case XK_Left:
+            return kLeft_SkKey;
+        case XK_Down:
+            return kDown_SkKey;
+        case XK_Up:
+            return kUp_SkKey;
+        default:
+            return kNONE_SkKey;
+    }
+}
+#endif
diff --git a/include/utils/unix/keysym2ucs.h b/include/utils/unix/keysym2ucs.h
new file mode 100644
index 0000000..1ae6fe4
--- /dev/null
+++ b/include/utils/unix/keysym2ucs.h
@@ -0,0 +1,8 @@
+/*
+ * This module converts keysym values into the corresponding ISO 10646-1
+ * (UCS, Unicode) values.
+ */
+
+#include <X11/X.h>
+
+long keysym2ucs(KeySym keysym);