1 files changed, 1 insertions, 0 deletions
diff --git a/defs.h b/defs.h
index 2a6c47a..1adbf78 100644
--- a/defs.h
+++ b/defs.h
@@ -174,6 +174,7 @@ void            usertrapret(void);
 void            uartinit(void);
 void            uartintr(void);
 void            uartputc(int);
+int             uartgetc(void);
 
 // vm.c
 void            kvminit(void);