This file is indexed.

/usr/include/Yap/SWI-Prolog.h is in yap 5.1.3-6.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
/* yap2swi.h  */
/*
 * Project: SWI emulation for Yap Prolog
 * Author: Steve Moyle and Vitor Santos Costa
 * Email:  steve.moyle@comlab.ox.ac.uk
 * Date:   21 January 2002

 * Copyright (c) 2002 Steve Moyle and Vitor Santos Costa.  All rights reserved.
 

*/

#ifndef _FLI_H_INCLUDED
#define _FLI_H_INCLUDED

#ifndef __SWI_PROLOG__			/* use this to switch on Prolog dialect */
#define __SWI_PROLOG__			/* normally defined by the plld compiler driver */
#endif


//=== includes ===============================================================
#include "config.h"
#include	<YapInterface.h>
#include	<stdarg.h>
#include	<stdlib.h>
#include        <stddef.h>
#if HAVE_TIME_H
#include <time.h>
#endif

#if defined(_MSC_VER) && defined(YAP_EXPORTS)
#define X_API __declspec(dllexport)
#else
#define X_API
#endif

typedef	unsigned long    fid_t;
typedef	unsigned long    term_t;
typedef	void *module_t;
typedef unsigned long	atom_t;
typedef	YAP_Term    *predicate_t;
typedef struct  open_query_struct *qid_t;
typedef long    functor_t;
typedef int     (*PL_agc_hook_t)(atom_t);
typedef unsigned long	foreign_t;	/* return type of foreign functions */
typedef wchar_t pl_wchar_t;             /* wide character support */
#ifdef WIN32
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
#include <inttypes.h>			/* more portable than stdint.h */
#endif

typedef void *function_t;

typedef struct _PL_extension
{ char 		*predicate_name;	/* Name of the predicate */
  short		arity;			/* Arity of the predicate */
  function_t	function;		/* Implementing functions */
  short		flags;			/* Or of PL_FA_... */
} PL_extension;

typedef struct
{ unsigned long	    local_size;		/* Stack sizes */
  unsigned long	    global_size;
  unsigned long	    trail_size;
  unsigned long	    argument_size;
  char *	    alias;		/* alias name */
  int		  (*cancel)(int id);	/* cancel function */
  void *	    reserved[5];	/* reserved for extensions */
} PL_thread_attr_t;

typedef void *PL_engine_t;


#define PL_FA_NOTRACE		(0x01)	/* foreign cannot be traced */
#define PL_FA_TRANSPARENT	(0x02)	/* foreign is module transparent */
#define PL_FA_NONDETERMINISTIC	(0x04)	/* foreign is non-deterministic */
#define PL_FA_VARARGS		(0x08)	/* call using t0, ac, ctx */
#define PL_FA_CREF		(0x10)	/* Internal: has clause-reference */

/* begin from pl-itf.h */
#define PL_VARIABLE      (1)            /* nothing */
#define PL_ATOM          (2)            /* const char * */
#define PL_INTEGER       (3)            /* int */
#define PL_FLOAT         (4)            /* double */
#define PL_STRING        (5)            /* const char * */
#define PL_TERM          (6)

                                        /* PL_unify_term() */
#define PL_FUNCTOR       (10)           /* functor_t, arg ... */
#define PL_LIST          (11)           /* length, arg ... */
#define PL_CHARS         (12)           /* const char * */
#define PL_POINTER       (13)           /* void * */
                                        /* PlArg::PlArg(text, type) */
#define PL_CODE_LIST     (14)           /* [ascii...] */
#define PL_CHAR_LIST     (15)           /* [h,e,l,l,o] */
#define PL_BOOL          (16)           /* PL_set_feature() */
#define PL_FUNCTOR_CHARS (17)           /* PL_unify_term() */
#define PL_PREDICATE_INDICATOR (18)    /* predicate_t (Procedure) */
#define PL_SHORT         (19)           /* short */
#define PL_INT           (20)           /* int */
#define PL_LONG          (21)           /* long */
#define PL_DOUBLE        (22)           /* double */

#define CVT_ATOM	0x0001
#define CVT_STRING	0x0002
#define CVT_LIST	0x0004
#define CVT_INTEGER	0x0008
#define CVT_FLOAT	0x0010
#define CVT_VARIABLE	0x0020
#define CVT_NUMBER	(CVT_INTEGER|CVT_FLOAT)
#define CVT_ATOMIC	(CVT_NUMBER|CVT_ATOM|CVT_STRING)
#define CVT_WRITE	0x0040		/* as of version 3.2.10 */
#define CVT_ALL		(CVT_ATOMIC|CVT_LIST)
#define CVT_MASK	0x00ff

#define BUF_DISCARDABLE	0x0000
#define BUF_RING	0x0100
#define BUF_MALLOC	0x0200

#define PL_ENGINE_CURRENT   ((PL_engine_t)-1)

#define PL_ENGINE_SET   0               /* engine set successfully */
#define PL_ENGINE_INVAL 2               /* engine doesn't exist */
#define PL_ENGINE_INUSE 3               /* engine is in use */

#define	PL_ACTION_TRACE		1	/* switch to trace mode */
#define PL_ACTION_DEBUG		2	/* switch to debug mode */
#define PL_ACTION_BACKTRACE	3	/* show a backtrace (stack dump) */
#define PL_ACTION_BREAK		4	/* create a break environment */
#define PL_ACTION_HALT		5	/* halt Prolog execution */
#define PL_ACTION_ABORT		6	/* generate a Prolog abort */
					/* 7: Obsolete PL_ACTION_SYMBOLFILE */
#define PL_ACTION_WRITE		8	/* write via Prolog i/o buffer */
#define PL_ACTION_FLUSH		9	/* Flush Prolog i/o buffer */
#define PL_ACTION_GUIAPP	10	/* Win32: set when this is a gui */
#define PL_ACTION_ATTACH_CONSOLE 11	/* MT: Attach a console */

/* end from pl-itf.h */

/* copied from old SICStus/SWI interface */
typedef void install_t;

extern X_API void PL_free(void *);

extern X_API PL_agc_hook_t PL_agc_hook(PL_agc_hook_t);
extern X_API char* PL_atom_chars(atom_t);
extern X_API term_t PL_copy_term_ref(term_t);
extern X_API term_t PL_new_term_ref(void);
extern X_API term_t PL_new_term_refs(int);
extern X_API void PL_reset_term_refs(term_t);
/* begin PL_get_* functions =============================*/
extern X_API int PL_get_arg(int, term_t, term_t);
extern X_API int PL_get_atom(term_t, atom_t *);
extern X_API int PL_get_atom_chars(term_t, char **);
extern X_API int PL_get_bool(term_t, int *);
extern X_API int PL_get_chars(term_t, char **, unsigned);
extern X_API int PL_get_nchars(term_t, size_t *, char **, unsigned);
extern X_API int PL_get_wchars(term_t, size_t *, wchar_t **, unsigned);
extern X_API int PL_get_functor(term_t, functor_t *);
extern X_API int PL_get_float(term_t, double *);
extern X_API int PL_get_head(term_t, term_t);
extern X_API int PL_get_int64(term_t, int64_t *);
extern X_API int PL_get_integer(term_t, int *);
extern X_API int PL_get_list(term_t, term_t, term_t);
extern X_API int PL_get_long(term_t, long *);
extern X_API int PL_get_list_chars(term_t, char **, unsigned);
extern X_API int PL_get_module(term_t, module_t *);
extern X_API atom_t PL_module_name(module_t);
extern X_API module_t PL_new_module(atom_t);
extern X_API int PL_get_name_arity(term_t, atom_t *, int *);
extern X_API int PL_get_nil(term_t);
extern X_API int PL_get_pointer(term_t, void **);
extern X_API int PL_get_string(term_t, char **, int *);
extern X_API int PL_get_tail(term_t, term_t);
/* end PL_get_* functions  =============================*/
/* begin PL_new_* functions =============================*/
extern X_API atom_t PL_new_atom(const char *);
extern X_API atom_t PL_new_atom_wchars(int, const pl_wchar_t *);
extern X_API char *PL_atom_nchars(atom_t, size_t *);
extern X_API pl_wchar_t *PL_atom_wchars(atom_t, size_t *);
extern X_API functor_t PL_new_functor(atom_t, int);
extern X_API atom_t PL_functor_name(functor_t);
extern X_API int PL_functor_arity(functor_t);
/* end PL_new_* functions =============================*/
/* begin PL_put_* functions =============================*/
extern X_API void PL_cons_functor(term_t, functor_t,...);
extern X_API void PL_cons_functor_v(term_t, functor_t,term_t);
extern X_API void PL_cons_list(term_t, term_t, term_t);
extern X_API void PL_put_atom(term_t, atom_t);
extern X_API void PL_put_atom_chars(term_t, const char *);
extern X_API void PL_put_float(term_t, double);
extern X_API void PL_put_functor(term_t, functor_t t);
extern X_API void PL_put_int64(term_t, int64_t);
extern X_API void PL_put_integer(term_t, long);
extern X_API void PL_put_list(term_t);
extern X_API void PL_put_list_chars(term_t, const char *);
extern X_API void PL_put_nil(term_t);
extern X_API void PL_put_pointer(term_t, void *);
extern X_API void PL_put_string_chars(term_t, const char *);
extern X_API void PL_put_term(term_t, term_t);
extern X_API void PL_put_variable(term_t);
extern X_API int PL_compare(term_t, term_t);
/* end PL_put_* functions =============================*/
/* begin PL_unify_* functions =============================*/
extern X_API int PL_unify(term_t, term_t);
extern X_API int PL_unify_atom(term_t, atom_t);
extern X_API int PL_unify_atom_chars(term_t, const char *);
extern X_API int PL_unify_float(term_t, double);
extern X_API int PL_unify_int64(term_t, int64_t);
extern X_API int PL_unify_integer(term_t, long);
extern X_API int PL_unify_list(term_t, term_t, term_t);
extern X_API int PL_unify_list_chars(term_t, const char *);
extern X_API int PL_unify_nil(term_t);
extern X_API int PL_unify_pointer(term_t, void *);
extern X_API int PL_unify_string_chars(term_t, const char *);
extern X_API int PL_unify_term(term_t,...);
/* end PL_unify_* functions =============================*/
/* begin PL_is_* functions =============================*/
extern X_API int PL_is_atom(term_t);
extern X_API int PL_is_atomic(term_t);
extern X_API int PL_is_compound(term_t);
extern X_API int PL_is_float(term_t);
extern X_API int PL_is_functor(term_t, functor_t);
extern X_API int PL_is_integer(term_t);
extern X_API int PL_is_list(term_t);
extern X_API int PL_is_number(term_t);
extern X_API int PL_is_string(term_t);
extern X_API int PL_is_variable(term_t);
extern X_API int PL_term_type(term_t);
/* end PL_is_* functions =============================*/
extern X_API void PL_halt(int);
extern X_API int  PL_initialise(int, char **);
extern X_API int  PL_is_initialised(int *, char ***);
extern X_API void PL_close_foreign_frame(fid_t);
extern X_API void PL_discard_foreign_frame(fid_t);
extern X_API fid_t PL_open_foreign_frame(void);
extern X_API int PL_raise_exception(term_t);
extern X_API void PL_register_atom(atom_t);
extern X_API void PL_unregister_atom(atom_t);
extern X_API predicate_t PL_pred(functor_t, module_t);
extern X_API predicate_t PL_predicate(const char *, int, const char *);
extern X_API void PL_predicate_info(predicate_t, atom_t *, int *, module_t *);
extern X_API qid_t PL_open_query(module_t, int, predicate_t, term_t);
extern X_API int PL_next_solution(qid_t);
extern X_API void PL_cut_query(qid_t);
extern X_API void PL_close_query(qid_t);
extern X_API term_t PL_exception(qid_t);
extern X_API int PL_call_predicate(module_t, int, predicate_t, term_t);
extern X_API int PL_call(term_t, module_t);
extern X_API void PL_register_foreign_in_module(const char *, const char *, int, foreign_t (*)(void), int);
extern X_API void PL_register_extensions(PL_extension *);
extern X_API void PL_load_extensions(PL_extension *);
extern X_API int  PL_thread_self(void);
extern X_API int PL_thread_attach_engine(const PL_thread_attr_t *);
extern X_API int PL_thread_destroy_engine(void);
extern X_API int PL_thread_at_exit(void (*)(void *), void *, int);
extern X_API PL_engine_t PL_create_engine(const PL_thread_attr_t *);
extern X_API int PL_destroy_engine(PL_engine_t);
extern X_API int PL_set_engine(PL_engine_t,PL_engine_t *);
extern X_API int PL_get_string_chars(term_t, char **, int *);
extern X_API int PL_action(int,...);
extern X_API void *PL_malloc(int);
extern X_API void PL_free(void *);

#define PL_register_foreign(name, arity, function, flags) PL_register_foreign_in_module(NULL, (name), (arity), (function), (flags))

extern X_API int Sprintf(char *,...);
extern X_API int Sdprintf(char *,...);

void swi_install(void);

#endif /* _FLI_H_INCLUDED */