aspath_extract
as = aspath_extract(seg, 0);
as = aspath_extract(seg, seg_len - 1);
as = aspath_extract(seg, i);
uint32_t aspath_extract(const void *, int);
as = aspath_extract(seg, i);
as = aspath_extract(seg, i);
return (aspath_extract(aspath->data, 0));
as = aspath_extract(seg, seg_len - 1);
if (myAS == aspath_extract(seg, i))
as = aspath_extract(seg, seg_len - 1);
as = aspath_extract(seg, i);
as = aspath_extract(seg, i);
as = aspath_extract(seg, i);