* key_press.c: key press handler
*
*/
-#ifndef _KEY_PRESS_H
-#define _KEY_PRESS_H
+#ifndef I3_KEY_PRESS_H
+#define I3_KEY_PRESS_H
+
+extern pid_t command_error_nagbar_pid;
/**
* There was a key press. We compare this key code with our bindings table and pass