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yap-6.3/include/YapInterface.h
Vítor Santos Costa 059884bc03 Android
2014-06-11 19:36:50 +01:00

602 lines
18 KiB
C
Executable File

/*************************************************************************
* *
* YAP Prolog @(#)c_interface.h 2.2 *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
* *
**************************************************************************
* *
* File: YapInterface.h *
* Last rev: 19/2/88 *
* mods: *
* comments: c_interface header file for YAP *
* *
*************************************************************************/
/******************* IMPORTANT ********************
Due to a limitation of the DecStation loader any function (including
library functions) which is linked to yap can not be called directly
from C code loaded dynamically.
To go around this problem we adopted the solution of calling such
functions indirectly
****************************************************/
#ifndef _yap_c_interface_h
#define _yap_c_interface_h 1
#define __YAP_PROLOG__ 1
#ifndef YAPVERSION
#define YAPVERSION 60000
#endif
#include "YapDefs.h"
#if HAVE_STDARG_H
#include <stdarg.h>
#endif
#include <wchar.h>
/*
__BEGIN_DECLS should be used at the beginning of the C declarations,
so that C++ compilers don't mangle their names. __END_DECLS is used
at the end of C declarations.
*/
#undef __BEGIN_DECLS
#undef __END_DECLS
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
#else
# define __BEGIN_DECLS /* empty */
# define __END_DECLS /* empty */
#endif /* _cplusplus */
__BEGIN_DECLS
#if defined(_MSC_VER) && defined(YAP_EXPORTS)
#define X_API __declspec(dllexport)
#else
#define X_API
#endif
/* Primitive Functions */
#define YAP_Deref(t) (t)
extern X_API YAP_Term YAP_A(int);
#define YAP_ARG1 YAP_A(1)
#define YAP_ARG2 YAP_A(2)
#define YAP_ARG3 YAP_A(3)
#define YAP_ARG4 YAP_A(4)
#define YAP_ARG5 YAP_A(5)
#define YAP_ARG6 YAP_A(6)
#define YAP_ARG7 YAP_A(7)
#define YAP_ARG8 YAP_A(8)
#define YAP_ARG9 YAP_A(9)
#define YAP_ARG10 YAP_A(10)
#define YAP_ARG11 YAP_A(11)
#define YAP_ARG12 YAP_A(12)
#define YAP_ARG13 YAP_A(13)
#define YAP_ARG14 YAP_A(14)
#define YAP_ARG15 YAP_A(15)
#define YAP_ARG16 YAP_A(16)
/* YAP_Bool IsVarTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsVarTerm(YAP_Term);
/* YAP_Bool IsNonVarTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsNonVarTerm(YAP_Term);
/* YAP_Term MkVarTerm() */
extern X_API YAP_Term YAP_MkVarTerm(void);
/* YAP_Bool IsIntTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsIntTerm(YAP_Term);
/* YAP_Bool IsLongIntTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsLongIntTerm(YAP_Term);
/* YAP_Bool IsBigNumTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsBigNumTerm(YAP_Term);
/* YAP_Bool IsRationalTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsRationalTerm(YAP_Term);
/* YAP_Bool IsFloatTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsFloatTerm(YAP_Term);
/* YAP_Bool IsNumberTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsNumberTerm(YAP_Term);
/* YAP_Bool IsDbRefTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsDbRefTerm(YAP_Term);
/* YAP_Bool IsAtomTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsAtomTerm(YAP_Term);
/* YAP_Bool IsPairTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsPairTerm(YAP_Term);
/* YAP_Bool IsApplTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsApplTerm(YAP_Term);
/* YAP_Bool IsCompoundTerm(YAP_Term) */
extern X_API YAP_Bool YAP_IsCompoundTerm(YAP_Term);
/* Term MkIntTerm(YAP_Int) */
extern X_API YAP_Term YAP_MkIntTerm(YAP_Int);
/* Term MkBigNumTerm(void *) */
extern X_API YAP_Term YAP_MkBigNumTerm(void *);
/* Term MkRationalTerm(void *) */
extern X_API YAP_Term YAP_MkRationalTerm(void *);
/* YAP_Int IntOfTerm(Term) */
extern X_API YAP_Int YAP_IntOfTerm(YAP_Term);
/* void * BigNumOfTerm(Term) */
extern X_API YAP_Bool YAP_BigNumOfTerm(YAP_Term t, void *b);
/* void * RationalOfTerm(Term) */
extern X_API YAP_Bool YAP_RationalOfTerm(YAP_Term, void *);
/* Term MkFloatTerm(YAP_Float) */
extern X_API YAP_Term YAP_MkFloatTerm(YAP_Float);
/* YAP_Float FloatOfTerm(YAP_Term) */
extern X_API YAP_Float YAP_FloatOfTerm(YAP_Term);
/* Term MkAtomTerm(Atom) */
extern X_API YAP_Term YAP_MkAtomTerm(YAP_Atom);
/* YAP_Atom AtomOfTerm(Term) */
extern X_API YAP_Atom YAP_AtomOfTerm(YAP_Term);
extern X_API YAP_Atom YAP_LookupAtom(const char *c);
extern X_API YAP_Atom YAP_LookupWideAtom(const wchar_t *c);
extern X_API YAP_Atom YAP_FullLookupAtom(const char *c);
/* int AtomNameLength(Atom) */
extern X_API size_t YAP_AtomNameLength(YAP_Atom);
extern X_API YAP_Bool YAP_IsWideAtom(YAP_Atom a);
extern X_API const char *YAP_AtomName(YAP_Atom a);
extern X_API const wchar_t *YAP_WideAtomName(YAP_Atom a);
/* YAP_Term MkPairTerm(YAP_Term Head, YAP_Term Tail) */
extern X_API YAP_Term YAP_MkPairTerm(YAP_Term,YAP_Term);
extern X_API YAP_Term YAP_MkListFromTerms(YAP_Term *,YAP_Int);
/* YAP_Term MkNewPairTerm(void) */
extern X_API YAP_Term YAP_MkNewPairTerm(void);
/* Term HeadOfTerm(Term) */
extern X_API YAP_Term YAP_HeadOfTerm(YAP_Term);
/* Term TailOfTerm(Term) */
extern X_API YAP_Term YAP_TailOfTerm(YAP_Term);
/* Int AddressOfTailOfTerm(Term *, Term **) */
extern X_API YAP_Int YAP_SkipList(YAP_Term *, YAP_Term **);
/* Term TailOfTerm(Term) */
extern X_API YAP_Term YAP_TermNil(void);
extern X_API int YAP_IsTermNil(YAP_Term);
extern X_API YAP_Term YAP_MkApplTerm(YAP_Functor functor, YAP_UInt arity,YAP_Term args[]);
extern X_API YAP_Term YAP_MkNewApplTerm( YAP_Functor f, YAP_UInt arity);
extern X_API YAP_Functor YAP_FunctorOfTerm(YAP_Term t);
extern X_API YAP_Term YAP_ArgOfTerm(YAP_UInt n, YAP_Term t);
extern X_API YAP_Term *YAP_ArgsOfTerm(YAP_Term t);
extern X_API YAP_Functor YAP_MkFunctor(YAP_Atom a, YAP_UInt n);
extern X_API YAP_Atom YAP_NameOfFunctor(YAP_Functor g);
extern X_API YAP_UInt YAP_ArityOfFunctor(YAP_Functor f);
/* void ExtraSpace(void) */
extern X_API void *YAP_ExtraSpace(void);
extern X_API void *YAP_ExtraSpaceCut(void);
#define YAP_PRESERVE_DATA(ptr, type) (ptr = (type *)YAP_ExtraSpace())
#define YAP_PRESERVED_DATA(ptr, type) (ptr = (type *)YAP_ExtraSpace())
#define YAP_PRESERVED_DATA_CUT(ptr,type) (ptr = (type *)YAP_ExtraSpaceCut())
extern X_API YAP_Bool YAP_Unify(YAP_Term t1, YAP_Term t2);
/* void UserCPredicate(const char *name, int *fn(), int arity) */
extern X_API void YAP_UserCPredicate(const char *, YAP_UserCPred, YAP_Arity arity);
/* void UserCPredicateWithArgs(const char *name, int *fn(), unsigned int arity) */
extern X_API void YAP_UserCPredicateWithArgs(const char *, YAP_UserCPred, YAP_Arity, YAP_Term);
/* void UserBackCPredicate(const char *name, int *init(), int *cont(), int
arity, int extra) */
extern X_API void YAP_UserBackCPredicate(const char *, YAP_UserCPred, YAP_UserCPred, YAP_Arity, unsigned int);
/* YAP_Int YAP_ListLength(YAP_Term t) */
extern X_API YAP_Int YAP_ListLength(YAP_Term);
/* void UserBackCPredicate(char *name, int *init(), int *cont(), int *cut(), int
arity, int extra) */
extern X_API void YAP_UserBackCutCPredicate(const char *, YAP_UserCPred, YAP_UserCPred, YAP_UserCPred, YAP_Arity, unsigned int);
/* void CallProlog(YAP_Term t) */
extern X_API YAP_Int YAP_CallProlog(YAP_Term t);
/* void cut_fail(void) */
extern X_API void YAP_cut_up(void);
#define YAP_cut_succeed() do { YAP_cut_up(); return TRUE; } while(0)
#define YAP_cut_fail() do { YAP_cut_up(); return FALSE; } while(0)
/* void *AllocSpaceFromYAP_(int) */
extern X_API void *YAP_AllocSpaceFromYap(size_t);
/* void *ReallocSpaceFromYAP_(void*,int) */
extern X_API void *YAP_ReallocSpaceFromYap(void*,size_t);
/* void FreeSpaceFromYAP_(void *) */
extern X_API void YAP_FreeSpaceFromYap(void *);
/* int YAP_RunGoal(YAP_Term) */
extern X_API YAP_Int YAP_RunGoal(YAP_Term);
//extern X_API YAP_Int YAP_RunPredicate(YAP_PredEntryPtr, YAP_Term *);
/* int YAP_RunGoalOnce(YAP_Term) */
extern X_API YAP_Int YAP_RunGoalOnce(YAP_Term);
/* int YAP_RestartGoal(void) */
extern X_API YAP_Bool YAP_RestartGoal(void);
/* int YAP_ShutdownGoal(int) */
extern X_API YAP_Bool YAP_ShutdownGoal(int);
/* int YAP_ContinueGoal(void) */
extern X_API YAP_Bool YAP_ContinueGoal(void);
/* void YAP_PruneGoal(void) */
extern X_API void YAP_PruneGoal(YAP_dogoalinfo *);
/* int YAP_FunctorToPred(struct pred_entry *, YAP_Term *) */
extern X_API YAP_PredEntryPtr YAP_FunctorToPred(YAP_Functor);
/* int YAP_AtomToPred(struct pred_entry *, YAP_Term *) */
extern X_API YAP_PredEntryPtr YAP_AtomToPred(YAP_Atom);
extern X_API YAP_PredEntryPtr YAP_FunctorToPredInModule(YAP_Functor, YAP_Module);
/* int YAP_AtomToPred(struct pred_entry *, YAP_Term *) */
extern X_API YAP_PredEntryPtr YAP_AtomToPredInModule(YAP_Atom, YAP_Module);
/* int YAP_EnterGoal(void) */
extern X_API YAP_Bool YAP_EnterGoal(YAP_PredEntryPtr, YAP_Term *, YAP_dogoalinfo *);
/* int YAP_RetryGoal(void) */
extern X_API YAP_Bool YAP_RetryGoal(YAP_dogoalinfo *);
/* int YAP_LeaveGoal(void) */
extern X_API YAP_Bool YAP_LeaveGoal(int, YAP_dogoalinfo *);
/* int YAP_GoalHasException(YAP_Term *) */
extern X_API YAP_Bool YAP_GoalHasException(YAP_Term *);
/* void YAP_ClearExceptions(void) */
extern X_API void YAP_ClearExceptions(void);
extern X_API int YAP_Reset(void);
extern X_API void YAP_Error(int myerrno, YAP_Term t, const char *buf, ...);
extern X_API int YAP_WriteBuffer(YAP_Term,char *,size_t,int);
extern X_API char* YAP_WriteDynamicBuffer(YAP_Term t,char *buf,size_t sze, size_t *lengthp, int *encp, int flags);
/* void YAP_Term(YAP_Term) */
extern X_API YAP_Term YAP_CopyTerm(YAP_Term);
/* char *YAP_CompileClause(YAP_Term) */
extern X_API char *YAP_CompileClause(YAP_Term);
/* int YAP_Init(YAP_init_args *) */
extern X_API YAP_Int YAP_Init(YAP_init_args *);
/* int YAP_FastInit(const char *) */
extern X_API YAP_Int YAP_FastInit(char saved_state[]);
#ifndef _PL_STREAM_H
// if we don't know what a stream is, just don't assume nothing about the pointer
#define IOSTREAM void
#endif /* FPL_STREAM_H */
extern X_API YAP_Term YAP_Read(IOSTREAM *s);
extern X_API void YAP_Write(YAP_Term t,IOSTREAM *s,int);
extern X_API IOSTREAM * YAP_TermToStream(YAP_Term t);
extern X_API IOSTREAM * YAP_InitConsult(int mode, const char *filename);
extern X_API void YAP_EndConsult(IOSTREAM *s);
#ifndef _PL_STREAM_H
// if we don't know what a stream is, just don't assume nothing about the pointer
#undef IOSTREAM
#endif /* FPL_STREAM_H */
extern X_API void YAP_Exit(int);
/* void YAP_PutValue(YAP_Atom, YAP_Term) */
extern X_API void YAP_PutValue(YAP_Atom, YAP_Term);
/* YAP_Term YAP_GetValue(YAP_Atom) */
extern X_API YAP_Term YAP_GetValue(YAP_Atom);
extern X_API YAP_Term YAP_FloatsToList(YAP_Float *, size_t);
extern X_API YAP_Int YAP_ListToFloats(YAP_Term, YAP_Float *, size_t);
extern X_API YAP_Term YAP_IntsToList(YAP_Int *, size_t);
extern X_API YAP_Int YAP_ListToInts(YAP_Term, YAP_Int *, size_t);
/* int StringToBuffer(YAP_Term,char *,unsigned int) */
extern X_API int YAP_StringToBuffer(YAP_Term,char *,unsigned int);
extern X_API YAP_Term YAP_BufferToString(const char *s);
extern X_API YAP_Term YAP_NBufferToString(const char *s, size_t len);
/* int BufferToString(const char *) */
extern X_API YAP_Term YAP_WideBufferToString(const wchar_t *);
extern X_API YAP_Term YAP_NWideBufferToString(const wchar_t *s, size_t len);
extern X_API YAP_Term YAP_BufferToAtomList(const char *s);
extern X_API YAP_Term YAP_NBufferToAtomList(const char *s, size_t len);
extern X_API YAP_Term YAP_WideBufferToAtomList(const wchar_t *s);
extern X_API YAP_Term YAP_NWideBufferToAtomList(const wchar_t *s, size_t len);
extern X_API YAP_Term YAP_NWideBufferToAtomDiffList(const wchar_t *s, YAP_Term t0, size_t len);
extern X_API YAP_Term YAP_BufferToDiffList(const char *s, YAP_Term t0);
extern X_API YAP_Term YAP_NBufferToDiffList(const char *s, YAP_Term t0, size_t len);
extern X_API YAP_Term YAP_WideBufferToDiffList(const wchar_t *s, YAP_Term t0);
extern X_API YAP_Term YAP_NWideBufferToDiffList(const wchar_t *s, YAP_Term t0, size_t len);
extern X_API YAP_Term YAP_ReadBuffer(const char *s,YAP_Term *tp);
extern X_API int YAP_InitSocks(const char *host,long port);
#ifdef SFUNC
#define SFArity 0
extern X_API YAP_Term *ArgsOfSFTerm();
extern X_API YAP_Term MkSFTerm();
#endif /* SFUNC */
extern X_API void YAP_SetOutputMessage(void);
extern X_API int YAP_StreamToFileNo(YAP_Term);
extern X_API void YAP_CloseAllOpenStreams(void);
extern X_API void YAP_FlushAllStreams(void);
#define YAP_INPUT_STREAM 0x01
#define YAP_OUTPUT_STREAM 0x02
#define YAP_APPEND_STREAM 0x04
#define YAP_PIPE_STREAM 0x08
#define YAP_TTY_STREAM 0x10
#define YAP_POPEN_STREAM 0x20
#define YAP_BINARY_STREAM 0x40
#define YAP_SEEKABLE_STREAM 0x80
/* YAP_Term *YAP_NewSlots() */
extern X_API YAP_handle_t YAP_NewSlots(int);
/* YAP_Int YAP_CurrentSlot() */
extern X_API YAP_handle_t YAP_CurrentSlot(void);
/* YAP_Term *YAP_InitSlot() */
extern X_API YAP_handle_t YAP_InitSlot(YAP_Term);
/* YAP_Term YAP_GetFromSlots(t) */
extern X_API YAP_Term YAP_GetFromSlot(YAP_handle_t);
/* YAP_Term *YAP_AddressFromSlots(t) */
extern X_API YAP_Term *YAP_AddressFromSlot(YAP_handle_t);
/* YAP_Term *YAP_AddressOfTermInSlot(t) */
extern X_API YAP_Term *YAP_AddressOfTermInSlot(YAP_handle_t);
/* YAP_Term YAP_PutInSlots(t) */
extern X_API void YAP_PutInSlot(YAP_handle_t, YAP_Term);
extern X_API int YAP_RecoverSlots(int n, YAP_handle_t top_slot);
extern X_API YAP_handle_t YAP_ArgsToSlots(int);
extern X_API void YAP_SlotsToArgs(int, YAP_handle_t);
/* void YAP_Throw() */
extern X_API void YAP_Throw(YAP_Term);
/* void YAP_AsyncThrow() */
extern X_API void YAP_AsyncThrow(YAP_Term);
/* int YAP_LookupModule() */
#define YAP_LookupModule(T) (T)
#define YAP_ModuleName(mod) (mod)
/* int YAP_Halt() */
extern X_API void YAP_Halt(int);
/* int YAP_TopOfLocalStack() */
extern X_API YAP_Term *YAP_TopOfLocalStack(void);
/* int YAP_Predicate() */
extern X_API void *YAP_Predicate(YAP_Atom,YAP_Arity,YAP_Term);
/* int YAP_Predicate() */
extern X_API void YAP_PredicateInfo(void *,YAP_Atom *,YAP_Arity*,YAP_Module*);
/* int YAP_CurrentModule() */
extern X_API YAP_Module YAP_CurrentModule(void);
/* int YAP_SetCurrentModule() */
extern X_API YAP_Module YAP_SetCurrentModule(YAP_Module);
/* int YAP_CreateModule() */
extern X_API YAP_Module YAP_CreateModule(YAP_Atom);
/* int YAP_StripModule() */
extern X_API YAP_Term YAP_StripModule(YAP_Term, YAP_Module *);
/* int YAP_AtomGetHold(YAP_Atom) */
extern X_API int YAP_AtomGetHold(YAP_Atom);
/* int YAP_AtomReleaseHold(YAP_Atom) */
extern X_API int YAP_AtomReleaseHold(YAP_Atom);
/* void YAP_AtomReleaseHold(YAP_Atom) */
extern X_API YAP_agc_hook YAP_AGCRegisterHook(YAP_agc_hook hook);
/* void YAP_AtomReleaseHold(YAP_Atom) */
extern X_API int YAP_HaltRegisterHook(YAP_halt_hook, void *);
/* char *YAP_cwd(void) */
extern X_API char * YAP_cwd(void);
/* thread stuff */
extern X_API int YAP_ThreadSelf(void);
extern X_API int YAP_ThreadCreateEngine(YAP_thread_attr *attr);
extern X_API int YAP_ThreadAttachEngine(int);
extern X_API int YAP_ThreadDetachEngine(int);
extern X_API int YAP_ThreadDestroyEngine(int);
/* blob stuff */
extern X_API YAP_Term YAP_MkBlobTerm(unsigned int);
extern X_API void *YAP_BlobOfTerm(YAP_Term);
/* term comparison */
extern X_API int YAP_CompareTerms(YAP_Term, YAP_Term);
/* list construction */
extern X_API YAP_Term YAP_OpenList(int);
extern X_API YAP_Term YAP_ExtendList(YAP_Term, YAP_Term);
extern X_API int YAP_CloseList(YAP_Term, YAP_Term);
/* attributed variables */
extern X_API int YAP_IsAttVar(YAP_Term);
extern X_API YAP_Term YAP_AttsOfVar(YAP_Term);
/* stream info */
extern X_API void *YAP_FileDescriptorFromStream(YAP_Term);
extern X_API int YAP_FileNoFromStream(YAP_Term);
/* store and recover terms */
extern X_API void *YAP_Record(YAP_Term);
extern X_API YAP_Term YAP_Recorded(void *);
extern X_API int YAP_Erase(void *);
/* term utilities */
extern X_API int YAP_Variant(YAP_Term,YAP_Term);
extern X_API YAP_Int YAP_NumberVars(YAP_Term,YAP_Int);
extern X_API YAP_Term YAP_UnNumberVars(YAP_Term);
extern X_API int YAP_IsNumberedVariable(YAP_Term);
extern X_API int YAP_Unifiable(YAP_Term,YAP_Term);
extern X_API int YAP_ExactlyEqual(YAP_Term,YAP_Term);
extern X_API YAP_Int YAP_TermHash(YAP_Term, YAP_Int, YAP_Int, int);
extern X_API void YAP_signal(int);
/* stack expansion control */
extern X_API int YAP_SetYAPFlag(yap_flag_t,int);
/* void *YAP_GlobalBase(Term) */
extern X_API YAP_Int YAP_VarSlotToNumber(YAP_Int);
/* Term YAP_ModuleUser() */
extern X_API YAP_Term YAP_ModuleUser(void);
/* Int YAP_NumberOfClausesForPredicate() */
extern X_API YAP_Int YAP_NumberOfClausesForPredicate(YAP_PredEntryPtr);
/* int YAP_MaxOpPriority(Atom, Term) */
extern X_API int YAP_MaxOpPriority(YAP_Atom, YAP_Term);
/* int YAP_OpInfo(Atom, Term, int, int *, int *) */
extern X_API int YAP_OpInfo(YAP_Atom, YAP_Term, int, int *, int *);
extern X_API YAP_Bool YAP_IsExternalDataInStackTerm(YAP_Term);
extern X_API YAP_Term YAP_AllocExternalDataInStack(size_t bytes);
extern X_API void *YAP_ExternalDataInStackFromTerm(YAP_Term t);
extern X_API YAP_Bool YAP_IsExternalDataInStackTerm(YAP_Term t);
extern X_API YAP_opaque_tag_t YAP_NewOpaqueType(struct YAP_opaque_handler_struct *f);
extern X_API YAP_Bool YAP_IsOpaqueObjectTerm(YAP_Term t, YAP_opaque_tag_t tag);
extern X_API YAP_Term YAP_NewOpaqueObject(YAP_opaque_tag_t tag, size_t bytes);
extern X_API void *YAP_OpaqueObjectFromTerm(YAP_Term t);
extern X_API YAP_CELL *YAP_HeapStoreOpaqueTerm(YAP_Term t);
extern X_API int YAP_Argv(char ***);
extern X_API YAP_tag_t YAP_TagOfTerm(YAP_Term);
extern X_API size_t YAP_ExportTerm(YAP_Term, char *, size_t);
extern X_API size_t YAP_SizeOfExportedTerm(char *);
extern X_API YAP_Term YAP_ImportTerm(char *);
extern X_API int YAP_RequiresExtraStack(size_t);
extern X_API int
YAP_parse_yap_arguments(int argc, char *argv[], YAP_init_args *iap);
extern X_API YAP_Int YAP_AtomToInt(YAP_Atom At);
extern X_API YAP_Atom YAP_IntToAtom(YAP_Int i);
#define YAP_InitCPred(N,A,F) YAP_UserCPredicate(N,F,A)
__END_DECLS
#endif