SWI-Prolog -- API-function PL_get_integer_ex

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PL_get_integer_ex()

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Availability:C-language interface function

bool PL_get_integer_ex(term_t t, int *i)

As PL_get_integer(), but raises a type or instantiation error if t is not an integer, or a representation error if the Prolog integer does not fit in a C int.