A ping.c /^#define A(bit) rcvd_tbl[(bit)>>3] \/* identify by/ B ping.c /^#define B(bit) (1 << ((bit) & 0x07)) \/* identify/ CLR ping.c /^#define CLR(bit) (A(bit) &= (~B(bit)))$/ Mping ping.c /^main(argc, argv)$/ SET ping.c /^#define SET(bit) (A(bit) |= B(bit))$/ TST ping.c /^#define TST(bit) (A(bit) & B(bit))$/ catcher ping.c /^catcher()$/ fill ping.c /^fill(bp, patp)$/ finish ping.c /^finish()$/ in_cksum ping.c /^in_cksum(addr, len)$/ pinger ping.c /^pinger()$/ pr_addr ping.c /^pr_addr(l)$/ pr_icmph ping.c /^pr_icmph(icp)$/ pr_iph ping.c /^pr_iph(ip)$/ pr_pack ping.c /^pr_pack(buf, cc, from)$/ pr_retip ping.c /^pr_retip(ip)$/ tvsub ping.c /^tvsub(out, in)$/ usage ping.c /^usage()$/