| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Postgres/contrib/isn/ (Postgres Database Version 18.4©) Datei vom 11.4.2026 mit Größe 1 kB |
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Quelle ISSN.hSprache: C |
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/* * ISSN.h * PostgreSQL type definitions for ISNs (ISBN, ISMN, ISSN, EAN13, UPC) * * Information recompiled by Kronuz on November 12, 2004 * http://www.issn.org/ * * IDENTIFICATION * contrib/isn/ISSN.h * * 1144-875X <=> 1144875(X) <=> 1144875 <=> (977)1144875 <=> 9771144875(00) <=> 977114487500(7) <=> 977-11 * * * ISSN 1 1 4 4 8 7 5 * Weight 8 7 6 5 4 3 2 * Product 8 + 7 + 24 + 20 + 32 + 21 + 10 = 122 * 122 / 11 = 11 remainder 1 * Check digit 11 - 1 = 10 = X * => 1144-875X * * ISSN 9 7 7 1 1 4 4 8 7 5 0 0 * Weight 1 3 1 3 1 3 1 3 1 3 1 3 * Product 9 + 21 + 7 + 3 + 1 + 12 + 4 + 24 + 7 + 15 + 0 + 0 = 103 * 103 / 10 = 10 remainder 3 * Check digit 10 - 3 = 7 * => 977-1144875-00-7 ?? <- supplemental number (number of the week, month, etc.) * ^^ 00 for non-daily publications (01=Monday, 02=Tuesday, ...) * * The hyphenation is always in after the four digits of the ISSN code. * */ /* where the digit set begins, and how many of them are in the table */ static const unsigned ISSN_index[10][2] = { {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, }; static const char *ISSN_range[][2] = { {"0000-000", "9999-999"}, {NULL, NULL} };
¤ Dauer der Verarbeitung: 0.11 Sekunden (vorverarbeitet am 2026-08-08) ¤*© Formatika GbR, Deutschland |
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2026-08-25