ping_prot          51 include/net/ping.h extern struct proto ping_prot;
ping_prot        1110 net/ipv4/af_inet.c 		.prot =       &ping_prot,
ping_prot        1929 net/ipv4/af_inet.c 	rc = proto_register(&ping_prot, 1);
ping_prot         988 net/ipv4/ping.c struct proto ping_prot = {
ping_prot        1007 net/ipv4/ping.c EXPORT_SYMBOL(ping_prot);