12.2.10 Type Tests

SP_is_atom()
tests whether an SP_term_ref contains an atom
SP_is_atomic()
tests whether an SP_term_ref contains an atomic term
SP_is_compound()
tests whether an SP_term_ref contains a compound term
SP_is_float()
tests whether an SP_term_ref contains a floating point number
SP_is_integer()
tests whether an SP_term_ref contains a Prolog integer
SP_is_list()
tests whether an SP_term_ref contains a list
SP_is_number()
tests whether an SP_term_ref contains an integer or a floating point number
SP_is_variable()
tests whether an SP_term_ref contains a Prolog variable
SP_term_type()
returns the type of the term in an SP_term_ref

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