RU_N 134 netinet/ip_id.c j = (tmp = arc4random()) % RU_N; RU_N 151 netinet/ip_id.c j = (j+1) % RU_N; RU_N 154 netinet/ip_id.c ru_g = pmod(RU_GEN,j,RU_N); RU_N 187 netinet/ip_id.c return (ru_seed ^ pmod(ru_g,ru_seed2 + ru_x, RU_N)) | ru_msb;