1 files changed, 4 insertions, 2 deletions
diff --git a/src/hdlc.h b/src/hdlc.h
index 52f3756..ff0dcd6 100644
--- a/src/hdlc.h
+++ b/src/hdlc.h
@@ -18,6 +18,8 @@
 #ifndef _HDLC_H_
 #define _HDLC_H_
 
+#include <sys/types.h>
+
 #include "lg-downloader.h"
 
 /*
@@ -39,7 +41,7 @@
  * Functions
  */
 
-int hdlc_send(struct context *context, const void *data, unsigned int size);
-int hdlc_recv(struct context *context, void *data, unsigned int size);
+int hdlc_send(struct context *context, const void *data, size_t size);
+int hdlc_recv(struct context *context, void *data, size_t size);
 
 #endif