ISO/IEC 8806-4:1991 情報技術—コンピューターグラフィックス— 3次元用グラフィカルカーネルシステム（GKS-3D）言語バインディング—パート4：C | ページ 2

Foreword

ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) together form a system for worldwide standardization as a whole. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with the fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work.

In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC1. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote.

International Standard ISO/IEC 8806-4 was prepared by Joint Technical Committee ISO/IEC JTC1, Information technology.

ISO/IEC 8806 consists of the following parts, under the general tide

Information technology - Computer graphics - Graphical Kernel System for Three Dimensions (GKS-3D) language bindings -

• Part 1: FORTRAN
• Part 2: PASCAL
• Part 3: ADA
• Part 4: C

Annexes A to F of this part of ISO/IEC 8806 are for information only.

Introduction

The Graphical Kernel System for Three Dimensions (GKS-3D) functional description is registered as ISO 8805: 1988. As explained in the Scope and Field of Application of ISO 8805, that International Standard is specified in a language independent manner and needs to be embedded in language dependent layers (language bindings) for use with particular programming languages.

The purpose of this part of ISO/IEC 8806 is to define a standard binding for the C computer programming language.

Some functions in ISO 8805 also appear in the Graphical Kernel System (GKS) functional description (ISO 7942). The binding of those functions in this part of ISO/IEC 8806 is the same as in ISO/IEC 8651-4, the C language binding of GKS.

1 Scope

The Graphical Kernel System for Three Dimensions (GKS-3D), ISO 8805: 1988 , specifies a language independent nucleus of a graphics system. For integration into a programming language, GKS-3D is embedded in a language dependent layer obeying the particular conventions of that language. This part of ISO/IEC 8806 specifies such a language dependent layer for the C language.

2 Normative references

The following standards contain provisions which, through reference in this text, constitute provision of this part of ISO/IEC 8806. At the time of publication, the editions indicated were valid. All standards are subject to revisions, and parties to agreements based on this part of ISO/IEC 8806 are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards.