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-rw-r--r--kernel/defs.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/defs.h b/kernel/defs.h
index 1b164a4..4eedd89 100644
--- a/kernel/defs.h
+++ b/kernel/defs.h
@@ -149,7 +149,8 @@ void usertrapret(void);
// uart.c
void uartinit(void);
void uartintr(void);
-void uartputc(int, int);
+void uartputc(int);
+void uartputc_sync(int);
int uartgetc(void);
// vm.c