1 files changed, 5 insertions, 0 deletions
diff --git a/dhcp.h b/dhcp.h
index 7c72fd2..ab74672 100644
--- a/dhcp.h
+++ b/dhcp.h
@@ -3,5 +3,10 @@
  * Author: Stefano Brivio <sbrivio@redhat.com>
  */
 
+#ifndef DHCP_H
+#define DHCP_H
+
 int dhcp(struct ctx *c, struct pool *p);
 void dhcp_init(void);
+
+#endif /* DHCP_H */