diff --git a/lsflib/include/lsf/lsf.h b/lsflib/include/lsf/lsf.h
--- a/lsflib/include/lsf/lsf.h
+++ b/lsflib/include/lsf/lsf.h
@@ -27,9 +27,12 @@
 /* isDir returns true, if a fd points to a dir */
 int isDir (char *);
 
-/* isDir returns true, if a fd points to a file */
+/* isFile returns true, if a fd points to a file */
 int isFile (char *);
 
+/* isLink returns true, if a fd points to a link */
+int isLink(char *);
+
 /* getdir prints a dir hierarchy */
 void getdir (char *, int);