IKEDOORROUNDUP
a_locidtotal = IKEDOORROUNDUP(sizeof (sadb_ident_t) + locidlen);
a_remidtotal = IKEDOORROUNDUP(sizeof (sadb_ident_t) + remidlen);
alloclen = sizeof (sadb_ident_t) + IKEDOORROUNDUP(strlen(argv[1]) + 1);