/usr/include/clips/factgen.h is in libclips-dev 6.24-3.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* "C" Language Integrated Production System */
/* */
/* CLIPS Version 6.20 01/31/02 */
/* */
/* FACT RETE FUNCTION GENERATION HEADER FILE */
/*******************************************************/
/*************************************************************/
/* Purpose: */
/* */
/* Principal Programmer(s): */
/* Gary D. Riley */
/* */
/* Contributing Programmer(s): */
/* */
/* Revision History: */
/* */
/*************************************************************/
#ifndef _H_factgen
#define _H_factgen
#ifndef _H_reorder
#include "reorder.h"
#endif
#ifdef LOCALE
#undef LOCALE
#endif
#ifdef _FACTGEN_SOURCE_
#define LOCALE
#else
#define LOCALE extern
#endif
/**********************************************************/
/* factGetVarPN1Call: This structure is used to store the */
/* arguments to the most general extraction routine for */
/* retrieving a variable from the fact pattern network. */
/**********************************************************/
struct factGetVarPN1Call
{
unsigned int factAddress : 1;
unsigned int allFields : 1;
unsigned short whichField;
unsigned short whichSlot;
};
/***********************************************************/
/* factGetVarPN2Call: This structure is used to store the */
/* arguments to the most specific extraction routine for */
/* retrieving a variable from the fact pattern network. */
/* It is used for retrieving the single value stored in */
/* a single field slot (the slot index can be used to */
/* directly to retrieve the value from the fact array). */
/***********************************************************/
struct factGetVarPN2Call
{
unsigned short whichSlot;
};
/**********************************************************/
/* factGetVarPN3Call: */
/**********************************************************/
struct factGetVarPN3Call
{
unsigned int fromBeginning : 1;
unsigned int fromEnd : 1;
unsigned short beginOffset;
unsigned short endOffset;
unsigned short whichSlot;
};
/**************************************************************/
/* factConstantPN1Call: Used for testing for a constant value */
/* in the fact pattern network. Compare the value of a */
/* single field slot to a constant. */
/**************************************************************/
struct factConstantPN1Call
{
unsigned int testForEquality : 1;
unsigned int whichSlot : 8;
};
/******************************************************************/
/* factConstantPN2Call: Used for testing for a constant value in */
/* the fact pattern network. Compare the value of a multifield */
/* slot to a constant (where the value retrieved for comparison */
/* from the slot contains no multifields before or only one */
/* multifield before and none after). */
/******************************************************************/
struct factConstantPN2Call
{
unsigned int testForEquality : 1;
unsigned int fromBeginning : 1;
unsigned int offset : 8;
unsigned int whichSlot : 8;
};
/**********************************************************/
/* factGetVarJN1Call: This structure is used to store the */
/* arguments to the most general extraction routine for */
/* retrieving a fact variable from the join network. */
/**********************************************************/
struct factGetVarJN1Call
{
unsigned int factAddress : 1;
unsigned int allFields : 1;
unsigned short whichPattern;
unsigned short whichSlot;
unsigned short whichField;
};
/**********************************************************/
/* factGetVarJN2Call: */
/**********************************************************/
struct factGetVarJN2Call
{
unsigned short whichPattern;
unsigned short whichSlot;
};
/**********************************************************/
/* factGetVarJN3Call: */
/**********************************************************/
struct factGetVarJN3Call
{
unsigned int fromBeginning : 1;
unsigned int fromEnd : 1;
unsigned short beginOffset;
unsigned short endOffset;
unsigned short whichPattern;
unsigned short whichSlot;
};
/**********************************************************/
/* factCompVarsPN1Call: */
/**********************************************************/
struct factCompVarsPN1Call
{
unsigned int pass : 1;
unsigned int fail : 1;
unsigned int field1 : 7;
unsigned int field2 : 7;
};
/**********************************************************/
/* factCompVarsJN1Call: */
/**********************************************************/
struct factCompVarsJN1Call
{
unsigned int pass : 1;
unsigned int fail : 1;
unsigned int slot1 : 7;
unsigned int pattern2 : 8;
unsigned int slot2 : 7;
};
/**********************************************************/
/* factCompVarsJN2Call: */
/**********************************************************/
struct factCompVarsJN2Call
{
unsigned int pass : 1;
unsigned int fail : 1;
unsigned int slot1 : 7;
unsigned int fromBeginning1 : 1;
unsigned int offset1 : 7;
unsigned int pattern2 : 8;
unsigned int slot2 : 7;
unsigned int fromBeginning2 : 1;
unsigned int offset2 : 7;
};
/**********************************************************/
/* factCheckLengthPNCall: This structure is used to store */
/* the arguments to the routine for determining if the */
/* length of a multifield slot is equal or greater than */
/* a specified value. */
/**********************************************************/
struct factCheckLengthPNCall
{
unsigned int exactly : 1;
unsigned short minLength;
unsigned short whichSlot;
};
/****************************************/
/* GLOBAL EXTERNAL FUNCTION DEFINITIONS */
/****************************************/
LOCALE void InitializeFactReteFunctions(void *);
LOCALE struct expr *FactPNVariableComparison(void *,struct lhsParseNode *,
struct lhsParseNode *);
LOCALE struct expr *FactJNVariableComparison(void *,struct lhsParseNode *,
struct lhsParseNode *);
LOCALE void FactReplaceGetvar(void *,struct expr *,struct lhsParseNode *);
LOCALE void FactReplaceGetfield(void *,struct expr *,struct lhsParseNode *);
LOCALE struct expr *FactGenPNConstant(void *,struct lhsParseNode *);
LOCALE struct expr *FactGenGetfield(void *,struct lhsParseNode *);
LOCALE struct expr *FactGenGetvar(void *,struct lhsParseNode *);
LOCALE struct expr *FactGenCheckLength(void *,struct lhsParseNode *);
LOCALE struct expr *FactGenCheckZeroLength(void *,unsigned);
#endif
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