4 /* We need 'uint16_t' */
6 /* We need 'in_addr' */
7 #include <netinet/in.h>
22 extern void build_ip_hdr(unsigned long __destip, int __ttl, int __protocol,
23 int __option_len, int __len, const void * __buf);
25 extern int ip_transmit(int __len, const void * __buf);
27 extern uint16_t ipchksum(const void * __data, unsigned long __length);
29 extern uint16_t add_ipchksums(unsigned long __offset, uint16_t __sum,