int parity
For the current barcode type (ie itype in a call to BarInfo), this variable returns 1 if a checkdigit is required for a valid code, or 0 for coding schemes which do not require a checkdigit.
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For the current barcode type (ie itype in a call to BarInfo), this variable returns 1 if a checkdigit is required for a valid code, or 0 for coding schemes which do not require a checkdigit.
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int req_number