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ISO/IEC 8651-4:1995
Information technology - Computer graphics - Graphical Kernel System (GKS) language bindings - Part 4: C
Cancels and replaces the first edition (1991). Specifies a language independent nucleus of a graphics system. For integration into a programming language, GKS is embedded in a language dependent layer obeying the particular conventions of that language. Specifies such a language dependent layer for the C language.
International Organization for Standardization [iso]