X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/49b35ff9c21e9deefb10303effe65be575c65957..e30c654b196a87a13ae7f7d4ced930b296c038ec:/armsrc/hitag2.h

diff --git a/armsrc/hitag2.h b/armsrc/hitag2.h
index 985b6796..51d0514e 100644
--- a/armsrc/hitag2.h
+++ b/armsrc/hitag2.h
@@ -1,10 +1,15 @@
 /*
  * Hitag2 emulation public interface
- * 
+ *
  * (c) 2009 Henryk Plötz <henryk@ploetzli.ch>
  */
 
+#ifndef __HITAG2_H
+#define __HITAG2_H
+
 typedef int (*hitag2_response_callback_t)(const char* response_data, const int response_length, const int fdt, void *cb_cookie);
 
 extern int hitag2_init(void);
 extern int hitag2_handle_command(const char* data, const int length, hitag2_response_callback_t cb, void *cb_cookie);
+
+#endif