The RenderMan Interface - Paul Bourke

Appendix C
LANGUAGE BINDING DETAILS
C.1 ANSI C Binding
The following is the version of ri.h required for the ANSI-standard C binding of the RenderMan
Interface.
/*
* RenderMan Interface Standard Include File
* (for ANSI Standard C)
*/
/* Definitions of Abstract Types used in RI */
typedef short RtBoolean;
typedef int RtInt;
typedef float RtFloat;
typedef char
*RtToken;
typedef RtFloat RtColor[3];
typedef RtFloat RtPoint[3];
typedef RtFloat RtVector[3];
typedef RtFloat RtNormal[3];
typedef RtFloat RtHpoint[4];
typedef RtFloat RtMatrix[4][4];
typedef RtFloat RtBasis[4][4];
typedef RtFloat RtBound[6];
typedef char *RtString;
typedef void
#define RtVoid
*RtPointer;
void
typedef RtFloat (*RtFilterFunc)(RtFloat, RtFloat, RtFloat, RtFloat);
typedef RtVoid (*RtErrorHandler)(RtInt, RtInt, char *);
typedef RtVoid (*RtProcSubdivFunc)(RtPointer, RtFloat);
typedef RtVoid (*RtProcFreeFunc)(RtPointer);
typedef RtVoid (*RtArchiveCallback)(RtToken, char *, ...);
typedef RtPointer RtObjectHandle;
typedef RtPointer RtLightHandle;
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