diff --git a/callbacks.h b/callbacks.h
index 6c3efe1..5e6ddf9 100644
--- a/callbacks.h
+++ b/callbacks.h
@@ -1 +1,6 @@
 /* See LICENSE file for license and copyright information */
+
+#ifndef CALLBACKS_H
+#define CALLBACKS_H
+
+#endif // CALLBACKS_H
diff --git a/commands.h b/commands.h
index 31d6b06..5096510 100644
--- a/commands.h
+++ b/commands.h
@@ -1,5 +1,8 @@
 /* See LICENSE file for license and copyright information */
 
+#ifndef COMMANDS_H
+#define COMMANDS_H
+
 #include <stdbool.h>
 #include <girara.h>
 
@@ -10,3 +13,5 @@ bool cmd_close(girara_session_t* session, int argc, char** argv);
 bool cmd_info(girara_session_t* session, int argc, char** argv);
 bool cmd_print(girara_session_t* session, int argc, char** argv);
 bool cmd_save(girara_session_t* session, int argc, char** argv);
+
+#endif // COMMANDS_H
diff --git a/completion.h b/completion.h
index 6c3efe1..ea9c0a2 100644
--- a/completion.h
+++ b/completion.h
@@ -1 +1,6 @@
 /* See LICENSE file for license and copyright information */
+
+#ifndef COMPLETION_H
+#define COMPLETION_H
+
+#endif // COMPLETION_H
diff --git a/config.h b/config.h
index 6c3efe1..8f118bf 100644
--- a/config.h
+++ b/config.h
@@ -1 +1,6 @@
 /* See LICENSE file for license and copyright information */
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#endif // CONFIG_H
diff --git a/shortcuts.c b/shortcuts.c
index e69de29..fc7c936 100644
--- a/shortcuts.c
+++ b/shortcuts.c
@@ -0,0 +1,123 @@
+/* See LICENSE file for license and copyright information */
+
+#include "shortcuts.h"
+
+void
+sc_abort(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_adjust_window(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_change_buffer(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_change_mode(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_focus_inputbar(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_follow(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_navigate(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_recolor(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_reload(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_rotate(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_scroll(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_search(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_switch_goto_mode(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_navigate_index(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_toggle_index(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_toggle_inputbar(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_toggle_fullscreen(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_toggle_statusbar(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_quit(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
+
+void
+sc_zoom(girara_session_t* session, girara_argument_t* argument)
+{
+
+}
diff --git a/shortcuts.h b/shortcuts.h
index 6c3efe1..5b8f747 100644
--- a/shortcuts.h
+++ b/shortcuts.h
@@ -1 +1,29 @@
 /* See LICENSE file for license and copyright information */
+
+#ifndef SHORTCUTS_H
+#define SHORTCUTS_H
+
+#include <girara.h>
+
+void sc_abort(girara_session_t* session, girara_argument_t* argument);
+void sc_adjust_window(girara_session_t* session, girara_argument_t* argument);
+void sc_change_buffer(girara_session_t* session, girara_argument_t* argument);
+void sc_change_mode(girara_session_t* session, girara_argument_t* argument);
+void sc_focus_inputbar(girara_session_t* session, girara_argument_t* argument);
+void sc_follow(girara_session_t* session, girara_argument_t* argument);
+void sc_navigate(girara_session_t* session, girara_argument_t* argument);
+void sc_recolor(girara_session_t* session, girara_argument_t* argument);
+void sc_reload(girara_session_t* session, girara_argument_t* argument);
+void sc_rotate(girara_session_t* session, girara_argument_t* argument);
+void sc_scroll(girara_session_t* session, girara_argument_t* argument);
+void sc_search(girara_session_t* session, girara_argument_t* argument);
+void sc_switch_goto_mode(girara_session_t* session, girara_argument_t* argument);
+void sc_navigate_index(girara_session_t* session, girara_argument_t* argument);
+void sc_toggle_index(girara_session_t* session, girara_argument_t* argument);
+void sc_toggle_inputbar(girara_session_t* session, girara_argument_t* argument);
+void sc_toggle_fullscreen(girara_session_t* session, girara_argument_t* argument);
+void sc_toggle_statusbar(girara_session_t* session, girara_argument_t* argument);
+void sc_quit(girara_session_t* session, girara_argument_t* argument);
+void sc_zoom(girara_session_t* session, girara_argument_t* argument);
+
+#endif // SHORTCUTS_H
diff --git a/utils.h b/utils.h
index 6c3efe1..931b644 100644
--- a/utils.h
+++ b/utils.h
@@ -1 +1,6 @@
 /* See LICENSE file for license and copyright information */
+
+#ifndef UTILS_H
+#define UTILS_H
+
+#endif // UTILS_H