c('PL_cut_query')

Documentation
- Reference manual
  - Foreign Language Interface
    - The Foreign Include File
      - Calling Prolog from C
        
        Initiating a query from C
        
        PL_open_query()
        
        PL_next_solution()
        
        PL_cut_query()
        
        PL_close_query()
        
        PL_current_query()
        
        PL_call_predicate()
        
        PL_call()
- Packages

Availability:C-language interface function

void PL_cut_query(qid_t qid)

Discards the query, but does not delete any of the data created by the query. It just invalidates qid, allowing for a new call to PL_open_query() in this context.