Use standard C99 types
diff --git a/networking/udhcp/serverpacket.h b/networking/udhcp/serverpacket.h
index 233d449..9024928 100644
--- a/networking/udhcp/serverpacket.h
+++ b/networking/udhcp/serverpacket.h
@@ -5,7 +5,7 @@
 
 int sendOffer(struct dhcpMessage *oldpacket);
 int sendNAK(struct dhcpMessage *oldpacket);
-int sendACK(struct dhcpMessage *oldpacket, u_int32_t yiaddr);
+int sendACK(struct dhcpMessage *oldpacket, uint32_t yiaddr);
 int send_inform(struct dhcpMessage *oldpacket);