readlink(link)
ret: 7
errno: 0
result: /there!

readlink(file)
ret: -1
errno: 22
result: /there!

readlink(folder)
ret: -1
errno: 22
result: /there!

symlink/overwrite
ret: -1
errno: 17

symlink/normal
ret: 0
errno: 0
readlink(created link)
ret: 36
errno: 0
result: /working/folder/new-nonexistent-path

readlink(short buffer)
ret: 4
errno: 0
result: /the**ng/folder/new-nonexistent-path