Registering Foreign Predicates

int

PL_register_foreign( name, arity, function, flags)
  Register a C-function to implement a Prolog predicate. After this call returns successfully a predicate with name name (a char *) and arity arity (a C int) is created. When called in Prolog, Prolog will call function. flags forms bitwise or'ed list of options for the installation. These are: