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Chapter 12: C Reference Pages 1243 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 Section 6.4.4 [Accessing Prolog Terms], page 299.
