// FindLinks searches this nodes links for the given key,
// returns the indexes of any links pointing to it
func FindLinks(links []*cid.Cid, c *cid.Cid, start int) []int {
var out []int
for i, lnk_c := range links[start:] {
if c.Equals(lnk_c) {
out = append(out, i+start)
}
}
return out
}
