12.3.25 SP_get_arg()

Synopsis

     #include <sicstus/sicstus.h>
     
     int
     SP_get_arg(int i,
                SP_term_ref term,
                SP_term_ref arg);

Assigns to arg the i:th argument of a compound term. This is similar to calling arg/3.

Arguments

i

The (one-based) argument number

term

The SP_term_ref holding the compound term

arg

The SP_term_ref to be assigned

Return Value

Zero if the conversion fails (as far as failure can be detected), and a nonzero value otherwise.

See Also

Accessing Prolog Terms.