[det]list_undefined
[det]list_undefined(+Options)Report undefined predicates. This predicate finds undefined predicates 
by decompiling and analyzing the body of all clauses.
Options:
- module_class(+Classes)
 - Process modules of the given Classes. The default for classes 
is 
[user]. For example, to include the libraries into the 
examination, use [user,library]. 
- See also
 - - gxref/0 provides a 
graphical cross-referencer. 
- make/0 calls list_undefined/0