Structs starting with `i' in previous

• icmp src/slirp/ip_icmp.h:50
• icmpstat src/slirp/icmp_var.h:40
• id_ip src/slirp/ip_icmp.h:82
• id_ts src/slirp/ip_icmp.h:77
• ih_idseq src/slirp/ip_icmp.h:57
• ih_pmtu src/slirp/ip_icmp.h:64
• instr src/cpu/readcpu.h:88
• instr_def src/cpu/readcpu.h:67
• iovec src/slirp/socket.h:78
• ip src/slirp/ip.h:79
• ipasfrag src/slirp/ip.h:255
• ipoption src/slirp/ip.h:274
• ipovly src/slirp/ip.h:219
• ipq src/slirp/ip.h:239
• ipstat src/slirp/ip.h:284
• ip_timestamp src/slirp/ip.h:150
• ipt_ta src/slirp/ip.h:163