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-rw-r--r--vscard_common.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/vscard_common.h b/vscard_common.h
index e88616b..a1af430 100644
--- a/vscard_common.h
+++ b/vscard_common.h
@@ -64,6 +64,8 @@ typedef enum {
typedef uint32_t reader_id_t;
+#define VSCARD_MAGIC (*(uint32_t*)"VSCD")
+
typedef struct VSCMsgHeader {
VSCMsgType type;
reader_id_t reader_id;