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-rw-r--r--drivers/cyw43/cyw43_ctrl.c1
-rw-r--r--drivers/cyw43/cyw43_lwip.c1
-rw-r--r--drivers/cyw43/cywbt.c1
3 files changed, 3 insertions, 0 deletions
diff --git a/drivers/cyw43/cyw43_ctrl.c b/drivers/cyw43/cyw43_ctrl.c
index 53601dac2..efd750e63 100644
--- a/drivers/cyw43/cyw43_ctrl.c
+++ b/drivers/cyw43/cyw43_ctrl.c
@@ -24,6 +24,7 @@
* THE SOFTWARE.
*/
+#include <stdio.h>
#include <string.h>
#include "py/mphal.h"
diff --git a/drivers/cyw43/cyw43_lwip.c b/drivers/cyw43/cyw43_lwip.c
index 391dfbe90..f3ca59e3a 100644
--- a/drivers/cyw43/cyw43_lwip.c
+++ b/drivers/cyw43/cyw43_lwip.c
@@ -24,6 +24,7 @@
* THE SOFTWARE.
*/
+#include <stdio.h>
#include <string.h>
#include "py/mphal.h"
diff --git a/drivers/cyw43/cywbt.c b/drivers/cyw43/cywbt.c
index 111cff158..fae661608 100644
--- a/drivers/cyw43/cywbt.c
+++ b/drivers/cyw43/cywbt.c
@@ -24,6 +24,7 @@
* THE SOFTWARE.
*/
+#include <stdio.h>
#include <string.h>
#include "py/runtime.h"