ISO INTERNATIONAL STANDARD 10303-24 First edition 2001-12-15 Industrial automation systems and integration Product data representation and exchange Part 24: Implementation methods: C language binding of standard data access interface Systemes d'automatisation industrielle et integration-Représentationet échangededonnéesdeproduits- Partie24:Methodede mise en application: Liant de langageC a l'interface d'accesauxdonneesnormalisées Reference number ISO 10303-24:2001(E) ISO @ISO2001 ISO 10303-24:2001(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobeisa trademarkof Adobe Systems Incorporated Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unl kely event ISO2001 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without pemission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Casepostale56.CH-1211Geneva20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.ch Printed in Switzerland ii @ Iso 2001 All rights reserved ISO10303-24:2001(E) Contents page 1 Scope 2 Normative references. 3 Terms, definitions, and abbreviations 3.1 Terms defined in ISO 10303-1 3.2 Terms defined in ISO 10303-11 . . . . . 3.3 Terms defined in ISO 10303-22 3 3.4 Other definitions. 3.5Abbreviations 4 Overview of the C language late binding of SDAI 4.1 Language bindings 5 4.2Conformance 5 4.3 Use of late binding functions . . 5 4.3.1 Invalid parameter values 4.3.2 Error handling .. . 4.3.3Memorymanagement 4.3.4 The SDAI header file 4.3.5Macros 6 4.4 Naming and typographical conventions 5 Constants and data type definitions 5.1 Standard error codes . 5.2 EXPRESS constants 5.3 EXPRESS data types 5.3.1 Bit data type 5.3.2 EXPRESS simple data types 5.3.3 Enumeration data type 5.3.4 Select data type . 5.3.5 Entity data type. 10 5.3.6 Aggregate data types 10 5.4 SDAIdata types 10 5.4.1 SDAI primitive data types 10 5.4.2 SDAI entity data types 11 5.4.3 Iterator data type 13 5.4.4 Non-persistent list data type 5.4.5 Query source data type . 13 5.4.6 SDAI access type data type 13 5.5 C late binding-specific data types 5.5.1 Attribute data block data type. 5.5.2 Aggregate index data type 5.5.3Error code data type 14 5.5.4 Error handler data type 14 5.5.5 Transaction commit mode data type 15 5.5.6 NULL identifier data type 15 @ISO 2001 - All rights reserved ii