180 struct iphdr {  struct
182 	unsigned int ihl:4;
183 	unsigned int version:4;
188 	uint8_t  tos;
189 	uint16_t tot_len;
190 	uint16_t id;
191 	uint16_t frag_off;
192 	uint8_t  ttl;
193 	uint8_t  protocol;
194 	uint16_t check;
195 	uint32_t saddr;
196 	uint32_t daddr;
283 			struct iphdr *iphdr = (struct iphdr *) G.packet;  in ping4()  local
695 	struct iphdr *iphdr;  in unpack4()  local