Type Tests

QP_is_atom()

tests whether a Prolog term reference contains an atom

QP_is_atomic()

tests whether a Prolog term reference contains an atomic term

QP_is_compound()

tests whether a Prolog term reference contains a compound term

QP_is_float()

tests whether a Prolog term reference contains a floating point number

QP_is_integer()

tests whether a Prolog term reference contains a Prolog integer

QP_is_list()

tests whether a Prolog term reference contains a list

QP_is_number()

tests whether a Prolog term reference contains an integer or a floating point number

QP_is_variable()

tests whether a Prolog term reference contains a Prolog variable

QP_term_type()

returns the type of the term in a Prolog term reference