SWI-Prolog -- API-function PL_predicate

Documentation
- Reference manual
  - Foreign Language Interface
    - The Foreign Include File
      - Calling Prolog from C
        
        Predicate references
        
        PL_pred()
        
        PL_predicate()
        
        PL_predicate_info()
- Packages

Availability:C-language interface function

predicate_t PL_predicate(const char *name, int arity, const char* module)

Same as PL_pred(), but provides a more convenient interface to the C programmer.