diff --git a/src/pic.h b/src/pic.h
index ad44216..a8b6d99 100644
--- a/src/pic.h
+++ b/src/pic.h
@@ -12,5 +12,9 @@
 
 #define PIC_EOI 0x20 // End of input
 
+#define IRQ_TO_INT(irq) ((irq) + 32)
+
 void pic_send_eoi(uchar interrupt);
 void add_interrupt_handler(uchar interrupt, void (* handler)(struct registers));
+
+void pic_remap();