Relevance unix and needed relevance if file/dir is link

(imported topic written by SystemAdmin)

relevance AIX OS.

Is it possoble to code relevance to check if a file x or dir a/b/c is a link?

If yes, could ypou please share the syntax.

(imported comment written by SystemAdmin)

This is a duplicate question (I submitted second time unintentionally, sorry). It was answered already.