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885824d3 1/*
2** ansi.h --- LCLint Standard C Library
3**
4** Process with -DSTRICT to get strict library.
5*/
6
7/*@-nextlinemacros@*/
8/*@+allimponly@*/
9/*@+globsimpmodifiesnothing@*/
10
11/*
12** errno.h
13*/
14
15/*@constant int EDOM;@*/
16/*@constant int ERANGE;@*/
17/*@constant int EILSEQ;@*/
18
19# ifdef STRICT
20/*@checkedstrict@*/ extern int errno;
21# else
22/*@unchecked@*/ extern int errno;
23# endif
24
25/*
26** types
27*/
28
29typedef /*@integraltype@*/ ptrdiff_t;
30typedef /*@unsignedintegraltype@*/ size_t;
31typedef /*@signedintegraltype@*/ ssize_t;
32typedef /*@integraltype@*/ wchar_t;
33
34/*
35** Added by Amendment 1 to ISO.
36*/
37
38typedef /*@integraltype@*/ wint_t;
39typedef /*@abstract@*/ mbstate_t;
40
41/*@constant null anytype NULL = 0;@*/
42
43/*
44** assert.h
45*/
46
47/*@constant lltX_bool NDEBUG;@*/
48
49# ifdef STRICT
50extern /*@falseexit@*/ void assert (/*@sef@*/ lltX_bool e)
51 /*@*/ ;
52# else
53extern /*@falseexit@*/ void assert (/*@sef@*/ lltX_bool /*@alt int@*/ e)
54 /*@*/ ;
55# endif
56
57
58/*
59** ctype.h
60*/
61
62# ifdef STRICT
63extern lltX_bool isalnum (unsigned char c) /*@*/ ;
64extern lltX_bool isalpha (unsigned char c) /*@*/ ;
65extern lltX_bool iscntrl (unsigned char c) /*@*/ ;
66extern lltX_bool isdigit (unsigned char c) /*@*/ ;
67extern lltX_bool isgraph (unsigned char c) /*@*/ ;
68extern lltX_bool islower (unsigned char c) /*@*/ ;
69extern lltX_bool isprint (unsigned char c) /*@*/ ;
70extern lltX_bool ispunct (unsigned char c) /*@*/ ;
71extern lltX_bool isspace (unsigned char c) /*@*/ ;
72extern lltX_bool isupper (unsigned char c) /*@*/ ;
73extern lltX_bool isxdigit (unsigned char c) /*@*/ ;
74extern char tolower (unsigned char c) /*@*/ ;
75extern char toupper (unsigned char c) /*@*/ ;
76# else
77extern lltX_bool /*@alt int@*/ isalnum (unsigned char /*@alt int@*/ c) /*@*/ ;
78extern lltX_bool /*@alt int@*/ isalpha (unsigned char /*@alt int@*/ c) /*@*/ ;
79extern lltX_bool /*@alt int@*/ iscntrl (unsigned char /*@alt int@*/ c) /*@*/ ;
80extern lltX_bool /*@alt int@*/ isdigit (unsigned char /*@alt int@*/ c) /*@*/ ;
81extern lltX_bool /*@alt int@*/ isgraph (unsigned char /*@alt int@*/ c) /*@*/ ;
82extern lltX_bool /*@alt int@*/ islower (unsigned char /*@alt int@*/ c) /*@*/ ;
83extern lltX_bool /*@alt int@*/ isprint (unsigned char /*@alt int@*/ c) /*@*/ ;
84extern lltX_bool /*@alt int@*/ ispunct (unsigned char /*@alt int@*/ c) /*@*/ ;
85extern lltX_bool /*@alt int@*/ isspace (unsigned char /*@alt int@*/ c) /*@*/ ;
86extern lltX_bool /*@alt int@*/ isupper (unsigned char /*@alt int@*/ c) /*@*/ ;
87extern lltX_bool /*@alt int@*/ isxdigit (unsigned char /*@alt int@*/ c) /*@*/ ;
88extern char /*@alt int@*/ tolower (unsigned char /*@alt int@*/ c) /*@*/ ;
89extern char /*@alt int@*/ toupper (unsigned char /*@alt int@*/ c) /*@*/ ;
90# endif
91
92/*
93** locale.h
94*/
95
96struct lconv
97{
98 char *decimal_point;
99 char *thousands_sep;
100 char *grouping;
101 char *int_curr_symbol;
102 char *currency_symbol;
103 char *mon_decimal_point;
104 char *mon_thousands_sep;
105 char *mon_grouping;
106 char *positive_sign;
107 char *negative_sign;
108 char int_frac_digits;
109 char frac_digits;
110 char p_cs_precedes;
111 char p_sep_by_space;
112 char n_cs_precedes;
113 char n_sep_by_space;
114 char p_sign_posn;
115 char n_sign_posn;
116} ;
117
118/*@constant int LC_ALL;@*/
119/*@constant int LC_COLLATE;@*/
120/*@constant int LC_CTYPE;@*/
121/*@constant int LC_MONETARY;@*/
122/*@constant int LC_NUMERIC;@*/
123/*@constant int LC_TIME;@*/
124
125extern /*@observer@*/ /*@null@*/ char *setlocale (int category, /*@null@*/ char *locale)
126 /*@modifies internalState, errno@*/ ;
127
128extern struct lconv *localeconv (void) /*@*/ ;
129
130/*
131** float.h
132*/
133
134/*
135** Note, these are defined by macros, but NOT necessarily
136** constants. They may be used as lvalues.
137*/
138
139/*@unchecked@*/ extern int DBL_DIG;
140/*@unchecked@*/ extern double DBL_EPSILON;
141/*@unchecked@*/ extern int DBL_MANT_DIG;
142/*@unchecked@*/ extern double DBL_MAX;
143/*@unchecked@*/ extern int DBL_MAX_10_EXP;
144/*@unchecked@*/ extern int DBL_MAX_EXP;
145/*@unchecked@*/ extern double DBL_MIN;
146/*@unchecked@*/ extern int DBL_MIN_10_EXP;
147/*@unchecked@*/ extern int DBL_MIN_EXP;
148
149/*@unchecked@*/ extern int FLT_DIG;
150/*@unchecked@*/ extern float FLT_EPSILON;
151/*@unchecked@*/ extern int FLT_MANT_DIG;
152/*@unchecked@*/ extern float FLT_MAX;
153/*@unchecked@*/ extern int FLT_MAX_10_EXP;
154/*@unchecked@*/ extern int FLT_MAX_EXP;
155/*@unchecked@*/ extern float FLT_MIN;
156/*@unchecked@*/ extern int FLT_MIN_10_EXP;
157/*@unchecked@*/ extern int FLT_MIN_EXP;
158/*@constant int FLT_RADIX@*/
159/*@unchecked@*/ extern int FLT_ROUNDS;
160
161/*@unchecked@*/ extern int LDBL_DIG;
162/*@unchecked@*/ extern long double LDBL_EPSILON;
163/*@unchecked@*/ extern int LDBL_MANT_DIG;
164/*@unchecked@*/ extern long double LDBL_MAX;
165/*@unchecked@*/ extern int LDBL_MAX_10_EXP;
166/*@unchecked@*/ extern int LDBL_MAX_EXP;
167/*@unchecked@*/ extern long double LDBL_MIN;
168/*@unchecked@*/ extern int LDBL_MIN_10_EXP;
169/*@unchecked@*/ extern int LDBL_MIN_EXP;
170
171/*
172** limits.h
173*/
174
175/*@constant int CHAR_BIT; @*/
176/*@constant char CHAR_MAX; @*/
177/*@constant char CHAR_MIN; @*/
178/*@constant int INT_MAX; @*/
179/*@constant int INT_MIN; @*/
180/*@constant long int LONG_MAX; @*/
181/*@constant long int LONG_MIN; @*/
182/*@constant long int MB_LEN_MAX@*/
183/*@constant signed char SCHAR_MAX; @*/
184/*@constant signed char SCHAR_MIN; @*/
185/*@constant short SHRT_MAX; @*/
186/*@constant short SHRT_MIN; @*/
187/*@constant unsigned char UCHAR_MAX; @*/
188/*@constant unsigned char UCHAR_MIN; @*/
189/*@constant unsigned int UINT_MAX; @*/
190/*@constant unsigned long ULONG_MAX; @*/
191/*@constant unsigned short USHRT_MAX; @*/
192
193/*
194** math.h
195*/
196
197/*@constant double HUGE_VAL; @*/
198
199/*
200** math functions that may have a range error modify errno
201*/
202
203extern double sin (double x) /*@*/ ;
204extern double cos (double x) /*@*/ ;
205extern double tan (double x) /*@*/ ;
206extern double asin (double x) /*@modifies errno@*/ ;
207extern double acos (double x) /*@modifies errno@*/ ;
208extern double atan (double x) /*@*/ ;
209extern double atan2 (double y, double x) /*@*/ ;
210extern double sinh (double x) /*@*/ ;
211extern double cosh (double x) /*@modifies errno@*/ ;
212extern double tanh (double x) /*@*/ ;
213
214extern double exp (double x) /*@modifies errno@*/ ;
215extern double ldexp (double x, int n) /*@modifies errno@*/ ;
216extern double frexp (double x, /*@out@*/ int *xp) /*@modifies *xp;@*/ ;
217
218extern double log (double x) /*@modifies errno@*/ ;
219extern double log10 (double x) /*@modifies errno@*/ ;
220
221extern double pow (double x, double y) /*@modifies errno@*/ ;
222extern double sqrt (double x) /*@modifies errno@*/ ;
223
224extern double ceil (double x) /*@*/ ;
225extern double floor (double x) /*@*/ ;
226extern double fabs (double x) /*@*/ ;
227
228double modf (double x, /*@out@*/ double *ip) /*@modifies *ip;@*/ ;
229double fmod (double x, double y) /*@*/ ;
230
231/*
232** These functions are optional in iso C. An implementation does not
233** have to provide them. They are included in comments here, but
234** are not required to be part of the standard library.
235*/
236
237# ifdef OPTIONAL_MATH
238
239extern float acosf (float x) /*@modifies errno@*/ ;
240extern long double acosl (long double x) /*@modifies errno@*/ ;
241extern float asinf (float x) /*@modifies errno@*/ ;
242extern long double asinl (long double x) /*@modifies errno@*/ ;
243extern float atanf (float x) /*@*/ ;
244extern long double atanl (long double x) /*@*/ ;
245extern float atan2f (float y, float x) /*@*/ ;
246extern long double atan2l (long double y, long double x) /*@*/ ;
247extern float ceilf (float x) /*@*/ ;
248extern long double ceill (long double x) /*@*/ ;
249extern float cosf (float x) /*@*/ ;
250extern long double cosl (long double x) /*@*/ ;
251extern float coshf (float x) /*@modifies errno@*/ ;
252extern long double coshl (long double x) /*@modifies errno@*/ ;
253extern float expf (float x) /*@modifies errno@*/ ;
254extern long double expl (long double x) /*@modifies errno@*/;
255extern float fabsf (float x) /*@*/ ;
256extern long double fabsl (long double x) /*@*/ ;
257extern float floorf (float x) /*@*/ ;
258extern long double floorl (long double x) /*@*/ ;
259extern float fmodf (float x, float y) /*@*/ ;
260extern long double fmodl (long double x, long double y) /*@*/ ;
261extern float frexpf (float x, /*@out@*/ int *xp) /*@modifies *xp@*/;
262extern long double frexpl (long double x, /*@out@*/ int *xp) /*@modifies *xp@*/;
263extern float ldexpf (float x, int n) /*@modifies errno@*/ ;
264extern long double ldexpl (long double x, int n) /*@modifies errno@*/ ;
265extern float logf (float x) /*@modifies errno@*/ ;
266extern long double logl (long double x) /*@modifies errno@*/ ;
267extern float log10f (float x) /*@modifies errno@*/;
268extern long double log10l (long double x) /*@modifies errno@*/;
269extern float modff (float x, /*@out@*/ float *xp) /*@modifies *xp@*/ ;
270extern long double modfl (long double x, /*@out@*/ long double *xp) /*@modifies *xp@*/ ;
271extern float powf (float x, float y) /*@modifies errno@*/ ;
272extern long double powl (long double x, long double y) /*@modifies errno@*/ ;
273extern float sinf (float x) /*@*/ ;
274extern long double sinl (long double x) /*@*/ ;
275extern float sinhf (float x) /*@*/ ;
276extern long double sinhl (long double x) /*@*/ ;
277extern float sqrtf (float x) /*@modifies errno@*/ ;
278extern long double sqrtl (long double x) /*@modifies errno@*/ ;
279extern float tanf (float x) /*@*/ ;
280extern long double tanl (long double x) /*@*/ ;
281extern float tanhf (float x) /*@*/ ;
282extern long double tanhl (long double x) /*@*/ ;
283
284# endif
285
286/*
287** setjmp.h
288*/
289
290typedef /*@abstract@*/ /*@mutable@*/ void *jmp_buf;
291
292extern int setjmp (/*@out@*/ jmp_buf env) /*@modifies env;@*/ ;
293extern /*@mayexit@*/ void longjmp (jmp_buf env, int val) /*@*/ ;
294
295/*
296** signal.h
297*/
298
299/*@constant int SIGABRT; @*/
300/*@constant int SIGFPE; @*/
301/*@constant int SIGILL; @*/
302/*@constant int SIGINT; @*/
303/*@constant int SIGSEGV; @*/
304/*@constant int SIGTERM; @*/
305
306typedef /*@integraltype@*/ sig_atomic_t;
307
308/*@constant void (*SIG_DFL)(int); @*/
309/*@constant void (*SIG_ERR)(int); @*/
310/*@constant void (*SIG_IGN)(int); @*/
311
312/*
313** signal takes an int, and a function takes int returns void, and
314** returns the function (or NULL if unsuccessful).
315*/
316
317extern /*@null@*/ void (*signal (int sig, /*@null@*/ void (*func)(int))) (int)
318 /*@modifies internalState, errno;@*/ ;
319
320extern /*@mayexit@*/ int raise (int sig) ;
321
322/*
323** stdarg.h
324*/
325
326typedef /*@abstract@*/ /*@mutable@*/ void *va_list;
327
328extern void va_start (/*@out@*/ va_list ap, ...) /*@modifies ap;@*/ ;
329extern void va_end (va_list va) /*@modifies va;@*/ ;
330
331/*
332** va_arg is builtin
333*/
334
335/*
336** stdio.h
337*/
338
339typedef /*@abstract@*/ /*@mutable@*/ void *FILE;
340typedef /*@abstract@*/ /*@mutable@*/ void *fpos_t;
341
342/*@constant int _IOFBF; @*/
343/*@constant int _IOLBF; @*/
344/*@constant int _IONBF; @*/
345
346/*@constant int BUFSIZ; @*/
347/*@constant int EOF; @*/
348
349/*@constant int FOPEN_MAX; @*/
350/*@constant int FILENAME_MAX; @*/
351
352/*@constant int L_tmpnam; @*/
353
354/*@constant int SEEK_CUR; @*/
355/*@constant int SEEK_END; @*/
356/*@constant int SEEK_SET; @*/
357
358/*@constant int TMP_MAX; @*/
359
360# ifdef STRICT
361/*@checked@*/ FILE *stderr;
362/*@checked@*/ FILE *stdin;
363/*@checked@*/ FILE *stdout;
364# else
365/*@unchecked@*/ FILE *stderr;
366/*@unchecked@*/ FILE *stdin;
367/*@unchecked@*/ FILE *stdout;
368# endif
369
370extern int remove (char *filename) /*@modifies fileSystem, errno@*/ ;
371extern int rename (char *old, char *new) /*@modifies fileSystem, errno@*/ ;
372
373extern /*@null@*/ FILE *tmpfile (void) /*@modifies fileSystem@*/ ;
374extern /*@observer@*/ char *
375 tmpnam (/*@out@*/ /*@null@*/ /*@returned@*/ char *s)
376 /*@modifies *s, internalState@*/ ;
377
378extern int fclose (FILE *stream) /*@modifies *stream, errno, fileSystem;@*/ ;
379extern int fflush (/*@null@*/ FILE *stream)
380 /*@modifies *stream, errno, fileSystem;@*/ ;
381
382extern /*@null@*/ /*@dependent@*/ FILE *fopen (char *filename, char *mode)
383 /*@modifies fileSystem@*/ ;
384
385extern /*@null@*/ FILE *freopen (char *filename, char *mode, FILE *stream)
386 /*@modifies *stream, fileSystem, errno@*/ ;
387
388extern void setbuf (FILE *stream, /*@null@*/ /*@exposed@*/ char *buf)
389 /*@modifies fileSystem, *stream, *buf@*/ ;
390
391extern int setvbuf (FILE *stream, /*@null@*/ /*@exposed@*/ char *buf,
392 int mode, size_t size)
393 /*@modifies fileSystem, *stream, *buf@*/ ;
394
395# ifdef STRICT
396/*@printflike@*/
397extern int fprintf (FILE *stream, char *format, ...)
398 /*@modifies fileSystem, *stream@*/ ;
399# else
400/*@printflike@*/
401extern int /*@alt void@*/ fprintf (FILE *stream, char *format, ...)
402 /*@modifies fileSystem, *stream@*/ ;
403# endif
404
405/*@scanflike@*/
406extern int fscanf (FILE *stream, char *format, ...)
407 /*@modifies fileSystem, *stream@*/ ;
408
409# ifdef STRICT
410/*@printflike@*/
411extern int printf (char *format, ...)
412 /*@globals stdout@*/
413 /*@modifies fileSystem, *stdout@*/ ;
414# else
415/*@printflike@*/
416extern int /*@alt void@*/ printf (char *format, ...)
417 /*@globals stdout@*/
418 /*@modifies fileSystem, *stdout@*/ ;
419# endif
420
421/*@scanflike@*/
422extern int scanf(char *format, ...)
423 /*@globals stdin@*/
424 /*@modifies fileSystem, *stdin@*/ ;
425
426# ifdef STRICT
427/*@printflike@*/
428extern int sprintf (/*@out@*/ char *s, char *format, ...)
429 /*@modifies *s@*/ ;
430# else
431/*@printflike@*/
432extern int /*@alt void@*/ sprintf (/*@out@*/ char *s, char *format, ...)
433 /*@modifies *s@*/ ;
434# endif
435
436/*@scanflike@*/
437int sscanf (/*@out@*/ char *s, char *format, ...) /*@*/ ;
438 /* modifies extra arguments */
439
440extern int vfprintf (FILE *stream, char *format, va_list arg)
441 /*@modifies fileSystem, *stream, arg, errno@*/ ;
442
443extern int vprintf (char *format, va_list arg)
444 /*@globals stdout@*/
445 /*@modifies fileSystem, arg, *stdout@*/ ;
446
447extern int vsprintf (/*@out@*/ char *s, char *format, va_list arg)
448 /*@modifies *s, arg@*/ ;
449
450extern int fgetc (FILE *stream)
451 /*@modifies fileSystem, *stream, errno@*/ ;
452
453extern /*@null@*/ char *
454 fgets (/*@returned@*/ /*@out@*/ char *s, int n, FILE *stream)
455 /*@modifies fileSystem, *s, *stream, errno@*/ ;
456
457extern int fputc (int /*@alt char@*/ c, FILE *stream)
458 /*@modifies fileSystem, *stream, errno@*/ ;
459
460extern int fputs (char *s, FILE *stream)
461 /*@modifies fileSystem, *stream@*/ ;
462
463/* note use of sef --- stream may be evaluated more than once */
464extern int getc (/*@sef@*/ FILE *stream)
465 /*@modifies fileSystem, *stream@*/ ;
466
467extern int getchar (void) /*@globals stdin@*/ /*@modifies fileSystem, *stdin@*/ ;
468
469extern /*@null@*/ char *gets (/*@out@*/ char *s)
470 /*@globals stdin@*/ /*@modifies fileSystem, *s, *stdin, errno@*/ ;
471
472extern int putc (int /*@alt char@*/ c, /*@sef@*/ FILE *stream)
473 /*@modifies fileSystem, *stream;@*/ ;
474
475extern int putchar (int /*@alt char@*/ c)
476 /*@globals stdout@*/ /*@modifies fileSystem, *stdout@*/ ;
477
478extern int puts (const char *s)
479 /*@globals stdout@*/ /*@modifies fileSystem, *stdout@*/ ;
480
481extern int ungetc (int /*@alt char@*/ c, FILE *stream)
482 /*@modifies fileSystem, *stream, errno@*/ ;
483
484extern size_t
485 fread (/*@out@*/ void *ptr, size_t size, size_t nobj, FILE *stream)
486 /*@modifies fileSystem, *ptr, *stream, errno@*/ ;
487
488extern size_t fwrite (void *ptr, size_t size, size_t nobj, FILE *stream)
489 /*@modifies fileSystem, *stream, errno@*/ ;
490
491extern int fgetpos (FILE *stream, /*@out@*/ fpos_t *pos)
492 /*@modifies *pos, errno@*/ ;
493
494extern int fseek (FILE *stream, long int offset, int whence)
495 /*@modifies fileSystem, *stream, errno@*/ ;
496
497extern int fsetpos (FILE *stream, fpos_t *pos)
498 /*@modifies fileSystem, *stream, errno@*/ ;
499
500extern long int ftell(FILE *stream) /*@modifies errno@*/ ;
501
502extern void rewind (FILE *stream) /*@modifies *stream@*/ ;
503extern void clearerr (FILE *stream) /*@modifies *stream@*/ ;
504
505extern int feof (FILE *stream) /*@modifies errno@*/ ;
506extern int ferror (FILE *stream) /*@modifies errno@*/ ;
507
508extern void perror (/*@null@*/ char *s)
509 /*@globals errno, stderr@*/ /*@modifies fileSystem, *stderr@*/ ;
510
511/*
512** stdlib.h
513*/
514
515extern double atof (char *s) /*@*/ ;
516extern int atoi (char *s) /*@*/ ;
517extern long int atol (char *s) /*@*/ ;
518
519extern double strtod (char *s, /*@null@*/ /*@out@*/ char **endp)
520 /*@modifies *endp, errno@*/ ;
521
522extern long strtol (char *s, /*@null@*/ /*@out@*/ char **endp, int base)
523 /*@modifies *endp, errno@*/ ;
524
525extern unsigned long
526 strtoul (char *s, /*@null@*/ /*@out@*/ char **endp, int base)
527 /*@modifies *endp, errno@*/ ;
528
529/*@constant int RAND_MAX; @*/
530extern int rand (void) /*@modifies internalState@*/ ;
531extern void srand (unsigned int seed) /*@modifies internalState@*/ ;
532
533extern /*@null@*/ /*@only@*/ void *calloc (size_t nobj, size_t size) /*@*/ ;
534extern /*@null@*/ /*@out@*/ /*@only@*/ void *malloc (size_t size) /*@*/ ;
535
536/* 11 June 1997: removed out on return value */
537
538# if 0
539extern /*@null@*/ /*@only@*/ void *
540 realloc (/*@null@*/ /*@only@*/ /*@special@*/ void *p,
541 size_t size) /*@releases p@*/ /*@modifies *p@*/ ;
542# endif
543
544/*
545** LCLint annotations cannot fully describe realloc. The semantics we
546** want are:
547** realloc returns null: ownership of parameter is not changed
548** realloc returns non-null: ownership of parameter is transferred to return value
549**
550** Otherwise, storage is in the same state before and after the call.
551*/
552
553extern /*@null@*/ /*@only@*/ void *
554 realloc (/*@null@*/ /*@only@*/ /*@out@*/ /*@returned@*/ void *p, size_t size)
555 /*@modifies *p @*/;
556
557extern void free (/*@null@*/ /*@out@*/ /*@only@*/ void *p) /*@modifies *p@*/ ;
558
559/*@constant int EXIT_FAILURE; @*/
560/*@constant int EXIT_SUCCESS; @*/
561
562extern /*@exits@*/ void abort (void) /*@*/ ;
563extern /*@exits@*/ void exit (int status) /*@*/ ;
564extern int atexit (void (*func)(void)) /*@modifies internalState@*/ ;
565
566extern /*@observer@*/ /*@null@*/ char *getenv (char *name) /*@*/ ;
567
568extern int system (/*@null@*/ char *s) /*@modifies fileSystem@*/ ;
569
570extern /*@null@*/ /*@dependent@*/ void *
571 bsearch (void *key, void *base,
572 size_t n, size_t size,
573 int (*compar)(void *, void *)) /*@*/ ;
574
575extern void qsort (void *base, size_t n, size_t size,
576 int (*compar)(void *, void *))
577 /*@modifies *base, errno@*/ ;
578
579extern int abs (int n) /*@*/ ;
580
581typedef /*@concrete@*/ struct
582{
583 int quot;
584 int rem;
585} div_t ;
586
587extern div_t div (int num, int denom) /*@*/ ;
588
589extern long int labs (long int n) /*@*/ ;
590
591typedef /*@concrete@*/ struct
592{
593 long int quot;
594 long int rem;
595} ldiv_t ;
596
597extern ldiv_t ldiv (long num, long denom) /*@*/ ;
598
599/*@constant size_t MB_CUR_MAX; @*/
600
601/*
602** wchar_t and wint_t functions added by Amendment 1 to ISO.
603*/
604
605/*@constant int WCHAR_MAX@*/
606/*@constant int WCHAR_MIN@*/
607/*@constant wint_t WEOF@*/
608
609extern wint_t btowc (int c) /*@*/ ;
610
611extern wint_t fgetwc (FILE *fp) /*@modifies fileSystem, *fp*/ ;
612
613extern /*@null@*/ wchar_t *fgetws (/*@returned@*/ wchar_t *s, int n, FILE *stream)
614 /*@modifies fileSystem, *s, *stream@*/;
615
616extern wint_t fputwc (wchar_t c, FILE *stream)
617 /*@modifies fileSystem, *stream@*/;
618
619extern int fputws (const wchar_t *s, FILE *stream)
620 /*@modifies fileSystem, *stream@*/ ;
621
622extern int fwide (FILE *stream, int mode) /*@*/ ;
623 /* does not modify the stream */
624
625/*@printflike@*/ extern int fwprintf (FILE *stream, const wchar_t *format, ...)
626 /*@modifies *stream, fileSystem@*/ ;
627
628/*@scanflike@*/ extern int fwscanf (FILE *stream, const wchar_t *format, ...)
629 /*@modifies *stream, fileSystem@*/ ;
630
631/* note use of sef --- stream may be evaluated more than once */
632extern wint_t getwc (/*@sef@*/ FILE *stream) /*@modifies fileSystem, *stream@*/ ;
633
634extern wint_t getwchar (void) /*@modifies fileSystem, *stdin@*/;
635
636extern size_t mbrlen (const char *s, size_t n, /*@null@*/ mbstate_t *ps) /*@*/ ;
637
638extern size_t mbrtowc (/*@null@*/ wchar_t *pwc, const char *s, size_t n,
639 /*@null@*/ mbstate_t *ps)
640 /*@modifies *pwc@*/ ;
641
642extern int mbsinit (/*@null@*/ const mbstate_t *ps) /*@*/ ;
643
644extern size_t mbsrtowcs (/*@null@*/ wchar_t *dst, const char **src, size_t len,
645 /*@null@*/ mbstate_t *ps)
646 /*@modifies *dst@*/ ;
647
648/* note use of sef --- stream may be evaluated more than once */
649extern wint_t putwc (wchar_t c, /*@sef@*/ FILE *stream) /*@modifies fileSystem, *stream@*/ ;
650
651extern wint_t putwchar (wchar_t c) /*@modifies fileSystem, *stdout@*/ ;
652
653/*@printflike@*/ extern int swprintf (wchar_t *s, size_t n, const wchar_t *format, ...)
654 /*@modifies *s@*/ ;
655
656/*@scanflike@*/ extern int swscanf (const wchar_t *s, const wchar_t *format, ...)
657 /*@modifies *stdin@*/ ;
658
659extern wint_t ungetwc (wint_t c, FILE *stream) /*@modifies fileSystem, *stream@*/ ;
660
661extern int vfwprintf (FILE *stream, const wchar_t *format, va_list arg)
662 /*@modifies fileSystem, *stream@*/ ;
663
664extern int vswprintf (wchar_t *s, size_t n, const wchar_t *format, va_list arg)
665 /*@modifies *s@*/ ;
666
667extern int vwprintf (const wchar_t *format, va_list arg)
668 /*@modifies fileSystem, *stdout@*/ ;
669
670extern size_t wcrtomb (/*@null@*/ /*@out@*/ char *s, wchar_t wc, /*@null@*/ mbstate_t *ps)
671 /*@modifies *s@*/;
672
673extern void /*@alt wchar_t *@*/
674 wcscat (/*@unique@*/ /*@returned@*/ /*@out@*/ wchar_t *s1, const wchar_t *s2)
675 /*@modifies *s1@*/ ;
676
677extern /*@exposed@*/ /*@null@*/ wchar_t *
678 wcschr (/*@returned@*/ const wchar_t *s, wchar_t c)
679 /*@*/ ;
680
681extern int wcscmp (const wchar_t *s1, const wchar_t *s2) /*@*/ ;
682
683extern int wcscoll (const wchar_t *s1, const wchar_t *s2) /*@*/ ;
684
685extern void /*@alt wchar_t *@*/
686 wcscpy (/*@unique@*/ /*@out@*/ /*@returned@*/ wchar_t *s1, const wchar_t *s2)
687 /*@modifies *s1@*/ ;
688
689extern size_t wcscspn (const wchar_t *s1, const wchar_t *s2) /*@*/ ;
690
691extern size_t wcsftime (/*@out@*/ wchar_t *s, size_t maxsize, const wchar_t *format,
692 const struct tm *timeptr)
693 /*@modifies *s@*/ ;
694
695extern size_t wcslen (const wchar_t *s) /*@*/ ;
696
697extern void /*@alt wchar_t *@*/
698 wcsncat (/*@unique@*/ /*@returned@*/ /*@out@*/ wchar_t *s1, const wchar_t *s2,
699 size_t n)
700 /*@modifies *s1@*/ ;
701
702extern int wcsncmp (const wchar_t *s1, const wchar_t *s2, size_t n) /*@*/ ;
703
704extern void /*@alt wchar_t *@*/
705 wcsncpy (/*@unique@*/ /*@returned@*/ /*@out@*/ wchar_t *s1, const wchar_t *s2,
706 size_t n)
707 /*@modifies *s1@*/ ;
708
709extern /*@null@*/ wchar_t *
710 wcspbrk (/*@returned@*/ const wchar_t *s1, const wchar_t *s2)
711 /*@*/ ;
712
713extern /*@null@*/ wchar_t *
714 wcsrchr (/*@returned@*/ const wchar_t *s, wchar_t c)
715 /*@*/ ;
716
717extern size_t
718 wcsrtombs (/*@null@*/ char *dst, const wchar_t **src, size_t len,
719 /*@null@*/ mbstate_t *ps)
720 /*@modifies *src@*/ ;
721
722extern size_t wcsspn (const wchar_t *s1, const wchar_t *s2) /*@*/ ;
723
724extern /*@null@*/ wchar_t *wcsstr (const wchar_t *s1, const wchar_t *s2) /*@*/ ;
725
726extern double wcstod (const wchar_t *nptr, /*@null@*/ wchar_t **endptr)
727 /*@modifies *endptr@*/ ;
728
729extern /*@null@*/ wchar_t *
730 wcstok (/*@null@*/ wchar_t *s1, const wchar_t *s2, wchar_t **ptr)
731 /*@modifies *ptr@*/;
732
733extern long wcstol (const wchar_t *nptr, /*@null@*/ wchar_t **endptr, int base)
734 /*@modifies *endptr@*/;
735
736extern unsigned long
737 wcstoul (const wchar_t *nptr, /*@null@*/ wchar_t **endptr, int base)
738 /*@modifies *endptr@*/;
739
740extern size_t
741 wcsxfrm (/*@null@*/ wchar_t *s1, const wchar_t *s2, size_t n)
742 /*@modifies *s1@*/;
743
744extern int wctob (wint_t c) /*@*/;
745
746extern /*@null@*/ wchar_t *wmemchr (const wchar_t *s, wchar_t c, size_t n) /*@*/ ;
747
748extern int wmemcmp (const wchar_t *s1, const wchar_t *s2, size_t n) /*@*/ ;
749
750extern wchar_t *wmemcpy (/*@returned@*/ wchar_t *s1, const wchar_t *s2, size_t n)
751 /*@modifies *s1@*/;
752
753extern wchar_t *wmemmove (/*@returned@*/ wchar_t *s1, const wchar_t *s2, size_t n)
754 /*@modifies *s1@*/;
755
756extern wchar_t *wmemset (/*@returned@*/ wchar_t *s, wchar_t c, size_t n)
757 /*@modifies *s@*/;
758
759/*@printflike@*/ extern int wprintf (const wchar_t *format, ...)
760 /*@globals stdout@*/ /*@modifies errno, *stdout@*/;
761
762/*@scanflike@*/ extern int
763 wscanf (const wchar_t *format, ...)
764 /*@globals stdin@*/ /*@modifies errno, *stdin@*/;
765
766/*
767** wctype.h (added by Amendment 1)
768*/
769
770/* Warning: not sure about these (maybe abstract?): */
771typedef /*@integraltype@*/ wctype_t;
772typedef /*@integraltype@*/ wctrans_t;
773
774# ifdef STRICT
775extern lltX_bool iswalnum (wint_t c) /*@*/ ;
776extern lltX_bool iswalpha (wint_t c) /*@*/ ;
777extern lltX_bool iswcntrl (wint_t c) /*@*/ ;
778extern lltX_bool iswctype (wint_t c, wctype_t ctg) /*@*/ ;
779extern lltX_bool iswdigit (wint_t c) /*@*/ ;
780extern lltX_bool iswgraph (wint_t c) /*@*/ ;
781extern lltX_bool iswlower (wint_t c) /*@*/ ;
782extern lltX_bool iswprint (wint_t c) /*@*/ ;
783extern lltX_bool iswpunct (wint_t c) /*@*/ ;
784extern lltX_bool iswspace (wint_t c) /*@*/ ;
785extern lltX_bool iswupper (wint_t c) /*@*/ ;
786extern lltX_bool iswxdigit (wint_t c) /*@*/ ;
787
788extern wint_t towctrans (wint_t c, wctrans_t ctg) /*@*/ ;
789extern wint_t towlower (wint_t c) /*@*/ ;
790extern wint_t towupper (wint_t c) /*@*/ ;
791# else
792extern lltX_bool /*@alt int@*/ iswalnum (wint_t c) /*@*/ ;
793extern lltX_bool /*@alt int@*/ iswalpha (wint_t c) /*@*/ ;
794extern lltX_bool /*@alt int@*/ iswcntrl (wint_t c) /*@*/ ;
795extern lltX_bool /*@alt int@*/ iswctype (wint_t c, wctype_t ctg) /*@*/ ;
796extern lltX_bool /*@alt int@*/ iswdigit (wint_t c) /*@*/ ;
797extern lltX_bool /*@alt int@*/ iswgraph (wint_t c) /*@*/ ;
798extern lltX_bool /*@alt int@*/ iswlower (wint_t c) /*@*/ ;
799extern lltX_bool /*@alt int@*/ iswprint (wint_t c) /*@*/ ;
800extern lltX_bool /*@alt int@*/ iswpunct (wint_t c) /*@*/ ;
801extern lltX_bool /*@alt int@*/ iswspace (wint_t c) /*@*/ ;
802extern lltX_bool /*@alt int@*/ iswupper (wint_t c) /*@*/ ;
803extern lltX_bool /*@alt int@*/ iswxdigit (wint_t c) /*@*/ ;
804
805extern wint_t /*@alt int@*/ towctrans (wint_t c, wctrans_t ctg) /*@*/ ;
806extern wint_t /*@alt int@*/ towlower (wint_t c) /*@*/ ;
807extern wint_t /*@alt int@*/ towupper (wint_t c) /*@*/ ;
808# endif
809
810extern wctrans_t wctrans (const char *property) /*@*/ ;
811extern wctype_t wctype (const char *property) /*@*/ ;
812
813extern int mblen (char *s, size_t n) /*@*/ ;
814extern int mbtowc (/*@null@*/ wchar_t *pwc, /*@null@*/ char *s, size_t n)
815 /*@modifies *pwc@*/ ;
816extern int wctomb (/*@out@*/ /*@null@*/ char *s, wchar_t wchar)
817 /*@modifies *s@*/ ;
818extern size_t mbstowcs (/*@out@*/ wchar_t *pwcs, char *s, size_t n)
819 /*@modifies *pwcs@*/ ;
820extern size_t wcstombs (/*@out@*/ char *s, wchar_t *pwcs, size_t n)
821 /*@modifies *s@*/ ;
822
823/*
824** string.h
825*/
826
827extern void /*@alt void * @*/
828 memcpy (/*@unique@*/ /*@returned@*/ /*@out@*/ void *s1, void *s2, size_t n)
829 /*@modifies *s1@*/ ;
830
831extern void /*@alt void * @*/
832 memmove (/*@returned@*/ /*@out@*/ void *s1, void *s2, size_t n)
833 /*@modifies *s1@*/ ;
834
835extern void /*@alt char * @*/
836 strcpy (/*@unique@*/ /*@out@*/ /*@returned@*/ char *s1, char *s2)
837 /*@modifies *s1@*/ ;
838
839extern void /*@alt char * @*/
840 strncpy (/*@unique@*/ /*@out@*/ /*@returned@*/ char *s1, char *s2, size_t n)
841 /*@modifies *s1@*/ ;
842
843extern void /*@alt char * @*/
844 strcat (/*@unique@*/ /*@returned@*/ /*@out@*/ char *s1, char *s2)
845 /*@modifies *s1@*/ ;
846
847extern void /*@alt char * @*/
848 strncat (/*@unique@*/ /*@returned@*/ /*@out@*/ char *s1, char *s2, int n)
849 /*@modifies *s1@*/ ;
850
851extern int memcmp (void *s1, void *s2, size_t n) /*@*/ ;
852extern int strcmp (char *s1, char *s2) /*@*/ ;
853extern int strcoll (char *s1, char *s2) /*@*/ ;
854extern int strncmp (char *s1, char *s2, size_t n) /*@*/ ;
855extern size_t strxfrm (/*@out@*/ /*@null@*/ char *s1, char *s2, size_t n)
856 /*@modifies *s1@*/ ; /* s1 may be null only if n == 0 */
857
858extern /*@null@*/ void *memchr (void *s, int c, size_t n) /*@*/ ;
859
860# ifdef STRICT
861extern /*@exposed@*/ /*@null@*/ char *
862 strchr (/*@returned@*/ char *s, char c) /*@*/ ;
863# else
864extern /*@exposed@*/ /*@null@*/ char *
865 strchr (/*@returned@*/ char *s, int /*@alt char@*/ c) /*@*/ ;
866# endif
867
868extern size_t strcspn (char *s1, char *s2) /*@*/ ;
869extern /*@null@*/ /*@exposed@*/ char *
870 strpbrk (/*@returned@*/ char *s, char *t) /*@*/ ;
871
872# ifdef STRICT
873extern /*@null@*/ /*@exposed@*/ char *
874 strrchr (/*@returned@*/ char *s, char c) /*@*/ ;
875# else
876extern /*@null@*/ /*@exposed@*/ char *
877 strrchr (/*@returned@*/ char *s, int /*@alt char@*/ c) /*@*/ ;
878# endif
879
880extern size_t strspn (char *s, char *t) /*@*/ ;
881extern /*@null@*/ /*@exposed@*/ char *
882 strstr (/*@returned@*/ /*@unique@*/ char *s, char *t) /*@*/ ;
883extern /*@null@*/ /*@exposed@*/ char *
884 strtok (/*@returned@*/ /*@null@*/ char *s, char *t)
885 /*@modifies *s, internalState, errno@*/ ;
886
887extern void /*@alt void *@*/ memset (/*@out@*/ /*@returned@*/ void *s,
888 int c, size_t n)
889 /*@modifies *s@*/ ;
890
891extern /*@observer@*/ char *strerror (int errnum) /*@*/ ;
892
893extern size_t strlen (char *s) /*@*/ ;
894
895/*
896** time.h
897*/
898
899/*@constant int CLOCKS_PER_SEC;@*/
900
901typedef /*@integraltype@*/ clock_t;
902typedef /*@integraltype@*/ time_t;
903
904struct tm
905 {
906 int tm_sec;
907 int tm_min;
908 int tm_hour;
909 int tm_mday;
910 int tm_mon;
911 int tm_year;
912 int tm_wday;
913 int tm_yday;
914 int tm_isdst;
915 } ;
916
917extern clock_t clock (void) /*@modifies internalState@*/ ;
918extern double difftime (time_t time1, time_t time0) /*@*/ ;
919extern time_t mktime (struct tm *timeptr) /*@*/ ;
920
921extern time_t time (/*@null@*/ /*@out@*/ time_t *tp)
922 /*@modifies *tp@*/ ;
923
924extern /*@observer@*/ char *asctime (struct tm *timeptr)
925 /*@modifies errno*/ ;
926
927extern /*@observer@*/ char *ctime (time_t *tp) /*@*/ ;
928
929extern /*@null@*/ /*@observer@*/ struct tm *gmtime (time_t *tp) /*@*/ ;
930
931extern /*@null@*/ /*@observer@*/ struct tm *localtime (time_t *tp)
932 /*@modifies errno@*/ ;
933
934extern size_t strftime (/*@out@*/ char *s, size_t smax,
935 char *fmt, struct tm *timeptr)
936 /*@modifies *s@*/ ;
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