From 3fb2310548d63e0f57b7334d9b67bf8b447532d1 Mon Sep 17 00:00:00 2001
From: cuu <gnubsd@me.com>
Date: Thu, 13 May 2021 13:03:00 +0800
Subject: [PATCH] add CONFIG printf

---
 Code/thermal_printer/devterm_thermal_printer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Code/thermal_printer/devterm_thermal_printer.c b/Code/thermal_printer/devterm_thermal_printer.c
index 257109f..428d4eb 100644
--- a/Code/thermal_printer/devterm_thermal_printer.c
+++ b/Code/thermal_printer/devterm_thermal_printer.c
@@ -9,7 +9,7 @@
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <unistd.h>
-
+#include <stdarg.h>
 
 #include <wiringPi.h>