1 files changed, 5 insertions, 3 deletions
diff --git a/src/usb.h b/src/usb.h
index 0666ec4..3d604b5 100644
--- a/src/usb.h
+++ b/src/usb.h
@@ -18,6 +18,8 @@
 #ifndef _USB_H_
 #define _USB_H_
 
+#include <sys/types.h>
+
 #include "lg-downloader.h"
 
 /*
@@ -43,8 +45,8 @@
 
 int usb_open(struct context *context);
 void usb_close(struct context *context);
-int usb_send(struct context *context, const void *data, unsigned int size);
-int usb_recv(struct context *context, void *data, unsigned int size);
-int usb_recv_available(struct context *context, void *data, unsigned int size);
+int usb_send(struct context *context, const void *data, size_t size);
+int usb_recv(struct context *context, void *data, size_t size);
+int usb_recv_available(struct context *context, void *data, size_t size);
 
 #endif