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-rw-r--r--hw/ne2000.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/ne2000.h b/hw/ne2000.h
index 1e7ab073e3..b31ae030f9 100644
--- a/hw/ne2000.h
+++ b/hw/ne2000.h
@@ -1,3 +1,6 @@
+#ifndef HW_NE2000_H
+#define HW_NE2000_H 1
+
 #define NE2000_PMEM_SIZE    (32*1024)
 #define NE2000_PMEM_START   (16*1024)
 #define NE2000_PMEM_END     (NE2000_PMEM_SIZE+NE2000_PMEM_START)
@@ -33,3 +36,5 @@ extern const VMStateDescription vmstate_ne2000;
 void ne2000_reset(NE2000State *s);
 int ne2000_can_receive(NetClientState *nc);
 ssize_t ne2000_receive(NetClientState *nc, const uint8_t *buf, size_t size_);
+
+#endif