c('PL_get_long')

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PL_get_long()

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Availability:C-language interface function

bool PL_get_long(term_t +t, long *i)

If t is a Prolog integer that can be represented as a long, assign its value over i. If t is an integer that cannot be represented by a C long, this function returns FALSE. If t is a floating point number that can be represented as a long, this function succeeds as well. See also PL_get_int64() and PL_get_long_ex().