diff --git a/src/devices/input.h b/src/devices/input.h
new file mode 100644
index 0000000000000000000000000000000000000000..a2f50e938f168d704a945cfbd1d0f9a04aae235d
--- /dev/null
+++ b/src/devices/input.h
@@ -0,0 +1,12 @@
+#ifndef DEVICES_INPUT_H
+#define DEVICES_INPUT_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+void input_init (void);
+void input_putc (uint8_t);
+uint8_t input_getc (void);
+bool input_full (void);
+
+#endif /* devices/input.h */