SWI-Prolog -- API-function PL_toplevel

Documentation
- Reference manual
  - Foreign Language Interface
    - The Foreign Include File
      - Embedding SWI-Prolog in other applications
        
        PL_initialise()
        
        PL_is_initialised()
        
        PL_set_resource_db_mem()
        
        PL_toplevel()
        
        PL_cleanup()
        
        PL_cleanup_fork()
        
        PL_halt()
        
        Threading, Signals and embedded Prolog
- Packages

Availability:C-language interface function

int PL_toplevel()

Runs the goal of the -t toplevel switch (default prolog/0) and returns 1 if successful, 0 otherwise.