PRGA_LEN
static unsigned char buf[PRGA_LEN+128] = "\x69";
if (dlen != PRGA_LEN)
send_stuff(s, sip, ip, port, PRGA_LEN);
if (ttl_val && dlen == (8+20+8+PRGA_LEN)) {
unsigned char inet_clear[8+20+8+PRGA_LEN+4];
ih->ip_len = htons(20+8+PRGA_LEN);
uh->uh_ulen = htons(8+PRGA_LEN);
uh->uh_sum = udp_checksum((unsigned char*)uh, 8+PRGA_LEN,
dlen = 8 + 20 + 8 + PRGA_LEN;