Reports a directed link from turtle to the caller or an undirected link connecting the two. If no link exists then it reports nobody. If more than one such link exists, reports a random one. You can think of this as "give me a link that I can use to travel from turtle to the caller."
crt 2 ask turtle 0 [ create-link-to turtle 1 ] ask turtle 1 [ show in-link-from turtle 0 ] ;; shows link 0 1 ask turtle 0 [ show in-link-from turtle 1 ] ;; shows nobody
See also: out-link-to link-with
Take me to the full NetLogo Dictionary