void
handle_loop(const u_char * pkt, int len, void *userdata)
{
unsigned int family = nptohl(pkt);
if (is_family_inet(family))
handle_ip((struct ip *)(pkt + 4), len - 4, userdata);
}
unsigned long
inet_addr(char *from)
{
int i;
char *p;
unsigned char to[4];
unsigned long x;
p = from;
memset(to, 0, 4);
for(i = 0; i < 4 && *p; i++){
to[i] = strtoul(p, &p, 0);
if(*p == '.')
p++;
}
switch(CLASS(to)){
case 0: /* class A - 1 byte net */
case 1:
if(i == 3){
to[3] = to[2];
to[2] = to[1];
to[1] = 0;
} else if (i == 2){
to[3] = to[1];
to[1] = 0;
}
break;
case 2: /* class B - 2 byte net */
if(i == 3){
to[3] = to[2];
to[2] = 0;
}
break;
}
x = nptohl(to);
x = htonl(x);
return x;
}
