This file is indexed.

/usr/mipsisa64r6-linux-gnuabin32/include/stdlib.h is in libc6-dev-mipsn32r6-cross 2.27-3ubuntu1cross1.

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
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
/* Copyright (C) 1991-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

/*
 *	ISO C99 Standard: 7.20 General utilities	<stdlib.h>
 */

#ifndef	_STDLIB_H

#define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
#include <bits/libc-header-start.h>

/* Get size_t, wchar_t and NULL from <stddef.h>.  */
#define __need_size_t
#define __need_wchar_t
#define __need_NULL
#include <stddef.h>

__BEGIN_DECLS

#define	_STDLIB_H	1

#if (defined __USE_XOPEN || defined __USE_XOPEN2K8) && !defined _SYS_WAIT_H
/* XPG requires a few symbols from <sys/wait.h> being defined.  */
# include <bits/waitflags.h>
# include <bits/waitstatus.h>

/* Define the macros <sys/wait.h> also would define this way.  */
# define WEXITSTATUS(status)	__WEXITSTATUS (status)
# define WTERMSIG(status)	__WTERMSIG (status)
# define WSTOPSIG(status)	__WSTOPSIG (status)
# define WIFEXITED(status)	__WIFEXITED (status)
# define WIFSIGNALED(status)	__WIFSIGNALED (status)
# define WIFSTOPPED(status)	__WIFSTOPPED (status)
# ifdef __WIFCONTINUED
#  define WIFCONTINUED(status)	__WIFCONTINUED (status)
# endif
#endif	/* X/Open or XPG7 and <sys/wait.h> not included.  */

/* _FloatN API tests for enablement.  */
#include <bits/floatn.h>

/* Returned by `div'.  */
typedef struct
  {
    int quot;			/* Quotient.  */
    int rem;			/* Remainder.  */
  } div_t;

/* Returned by `ldiv'.  */
#ifndef __ldiv_t_defined
typedef struct
  {
    long int quot;		/* Quotient.  */
    long int rem;		/* Remainder.  */
  } ldiv_t;
# define __ldiv_t_defined	1
#endif

#if defined __USE_ISOC99 && !defined __lldiv_t_defined
/* Returned by `lldiv'.  */
__extension__ typedef struct
  {
    long long int quot;		/* Quotient.  */
    long long int rem;		/* Remainder.  */
  } lldiv_t;
# define __lldiv_t_defined	1
#endif


/* The largest number rand will return (same as INT_MAX).  */
#define	RAND_MAX	2147483647


/* We define these the same for all machines.
   Changes from this to the outside world should be done in `_exit'.  */
#define	EXIT_FAILURE	1	/* Failing exit status.  */
#define	EXIT_SUCCESS	0	/* Successful exit status.  */


/* Maximum length of a multibyte character in the current locale.  */
#define	MB_CUR_MAX	(__ctype_get_mb_cur_max ())
extern size_t __ctype_get_mb_cur_max (void) __THROW __wur;


/* Convert a string to a floating-point number.  */
extern double atof (const char *__nptr)
     __THROW __attribute_pure__ __nonnull ((1)) __wur;
/* Convert a string to an integer.  */
extern int atoi (const char *__nptr)
     __THROW __attribute_pure__ __nonnull ((1)) __wur;
/* Convert a string to a long integer.  */
extern long int atol (const char *__nptr)
     __THROW __attribute_pure__ __nonnull ((1)) __wur;

#ifdef __USE_ISOC99
/* Convert a string to a long long integer.  */
__extension__ extern long long int atoll (const char *__nptr)
     __THROW __attribute_pure__ __nonnull ((1)) __wur;
#endif

/* Convert a string to a floating-point number.  */
extern double strtod (const char *__restrict __nptr,
		      char **__restrict __endptr)
     __THROW __nonnull ((1));

#ifdef	__USE_ISOC99
/* Likewise for `float' and `long double' sizes of floating-point numbers.  */
extern float strtof (const char *__restrict __nptr,
		     char **__restrict __endptr) __THROW __nonnull ((1));

extern long double strtold (const char *__restrict __nptr,
			    char **__restrict __endptr)
     __THROW __nonnull ((1));
#endif

/* Likewise for '_FloatN' and '_FloatNx'.  */

#if __HAVE_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern _Float16 strtof16 (const char *__restrict __nptr,
			  char **__restrict __endptr)
     __THROW __nonnull ((1));
#endif

#if __HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern _Float32 strtof32 (const char *__restrict __nptr,
			  char **__restrict __endptr)
     __THROW __nonnull ((1));
#endif

#if __HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern _Float64 strtof64 (const char *__restrict __nptr,
			  char **__restrict __endptr)
     __THROW __nonnull ((1));
#endif

#if __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern _Float128 strtof128 (const char *__restrict __nptr,
			    char **__restrict __endptr)
     __THROW __nonnull ((1));
#endif

#if __HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern _Float32x strtof32x (const char *__restrict __nptr,
			    char **__restrict __endptr)
     __THROW __nonnull ((1));
#endif

#if __HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern _Float64x strtof64x (const char *__restrict __nptr,
			    char **__restrict __endptr)
     __THROW __nonnull ((1));
#endif

#if __HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern _Float128x strtof128x (const char *__restrict __nptr,
			      char **__restrict __endptr)
     __THROW __nonnull ((1));
#endif

/* Convert a string to a long integer.  */
extern long int strtol (const char *__restrict __nptr,
			char **__restrict __endptr, int __base)
     __THROW __nonnull ((1));
/* Convert a string to an unsigned long integer.  */
extern unsigned long int strtoul (const char *__restrict __nptr,
				  char **__restrict __endptr, int __base)
     __THROW __nonnull ((1));

#ifdef __USE_MISC
/* Convert a string to a quadword integer.  */
__extension__
extern long long int strtoq (const char *__restrict __nptr,
			     char **__restrict __endptr, int __base)
     __THROW __nonnull ((1));
/* Convert a string to an unsigned quadword integer.  */
__extension__
extern unsigned long long int strtouq (const char *__restrict __nptr,
				       char **__restrict __endptr, int __base)
     __THROW __nonnull ((1));
#endif /* Use misc.  */

#ifdef __USE_ISOC99
/* Convert a string to a quadword integer.  */
__extension__
extern long long int strtoll (const char *__restrict __nptr,
			      char **__restrict __endptr, int __base)
     __THROW __nonnull ((1));
/* Convert a string to an unsigned quadword integer.  */
__extension__
extern unsigned long long int strtoull (const char *__restrict __nptr,
					char **__restrict __endptr, int __base)
     __THROW __nonnull ((1));
#endif /* ISO C99 or use MISC.  */

/* Convert a floating-point number to a string.  */
#if __GLIBC_USE (IEC_60559_BFP_EXT)
extern int strfromd (char *__dest, size_t __size, const char *__format,
		     double __f)
     __THROW __nonnull ((3));

extern int strfromf (char *__dest, size_t __size, const char *__format,
		     float __f)
     __THROW __nonnull ((3));

extern int strfroml (char *__dest, size_t __size, const char *__format,
		     long double __f)
     __THROW __nonnull ((3));
#endif

#if __HAVE_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern int strfromf16 (char *__dest, size_t __size, const char * __format,
		       _Float16 __f)
     __THROW __nonnull ((3));
#endif

#if __HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern int strfromf32 (char *__dest, size_t __size, const char * __format,
		       _Float32 __f)
     __THROW __nonnull ((3));
#endif

#if __HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern int strfromf64 (char *__dest, size_t __size, const char * __format,
		       _Float64 __f)
     __THROW __nonnull ((3));
#endif

#if __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern int strfromf128 (char *__dest, size_t __size, const char * __format,
			_Float128 __f)
     __THROW __nonnull ((3));
#endif

#if __HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern int strfromf32x (char *__dest, size_t __size, const char * __format,
			_Float32x __f)
     __THROW __nonnull ((3));
#endif

#if __HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern int strfromf64x (char *__dest, size_t __size, const char * __format,
			_Float64x __f)
     __THROW __nonnull ((3));
#endif

#if __HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)
extern int strfromf128x (char *__dest, size_t __size, const char * __format,
			 _Float128x __f)
     __THROW __nonnull ((3));
#endif


#ifdef __USE_GNU
/* Parallel versions of the functions above which take the locale to
   use as an additional parameter.  These are GNU extensions inspired
   by the POSIX.1-2008 extended locale API.  */
# include <bits/types/locale_t.h>

extern long int strtol_l (const char *__restrict __nptr,
			  char **__restrict __endptr, int __base,
			  locale_t __loc) __THROW __nonnull ((1, 4));

extern unsigned long int strtoul_l (const char *__restrict __nptr,
				    char **__restrict __endptr,
				    int __base, locale_t __loc)
     __THROW __nonnull ((1, 4));

__extension__
extern long long int strtoll_l (const char *__restrict __nptr,
				char **__restrict __endptr, int __base,
				locale_t __loc)
     __THROW __nonnull ((1, 4));

__extension__
extern unsigned long long int strtoull_l (const char *__restrict __nptr,
					  char **__restrict __endptr,
					  int __base, locale_t __loc)
     __THROW __nonnull ((1, 4));

extern double strtod_l (const char *__restrict __nptr,
			char **__restrict __endptr, locale_t __loc)
     __THROW __nonnull ((1, 3));

extern float strtof_l (const char *__restrict __nptr,
		       char **__restrict __endptr, locale_t __loc)
     __THROW __nonnull ((1, 3));

extern long double strtold_l (const char *__restrict __nptr,
			      char **__restrict __endptr,
			      locale_t __loc)
     __THROW __nonnull ((1, 3));

# if __HAVE_FLOAT16
extern _Float16 strtof16_l (const char *__restrict __nptr,
			    char **__restrict __endptr,
			    locale_t __loc)
     __THROW __nonnull ((1, 3));
# endif

# if __HAVE_FLOAT32
extern _Float32 strtof32_l (const char *__restrict __nptr,
			    char **__restrict __endptr,
			    locale_t __loc)
     __THROW __nonnull ((1, 3));
# endif

# if __HAVE_FLOAT64
extern _Float64 strtof64_l (const char *__restrict __nptr,
			    char **__restrict __endptr,
			    locale_t __loc)
     __THROW __nonnull ((1, 3));
# endif

# if __HAVE_FLOAT128
extern _Float128 strtof128_l (const char *__restrict __nptr,
			      char **__restrict __endptr,
			      locale_t __loc)
     __THROW __nonnull ((1, 3));
# endif

# if __HAVE_FLOAT32X
extern _Float32x strtof32x_l (const char *__restrict __nptr,
			      char **__restrict __endptr,
			      locale_t __loc)
     __THROW __nonnull ((1, 3));
# endif

# if __HAVE_FLOAT64X
extern _Float64x strtof64x_l (const char *__restrict __nptr,
			      char **__restrict __endptr,
			      locale_t __loc)
     __THROW __nonnull ((1, 3));
# endif

# if __HAVE_FLOAT128X
extern _Float128x strtof128x_l (const char *__restrict __nptr,
				char **__restrict __endptr,
				locale_t __loc)
     __THROW __nonnull ((1, 3));
# endif
#endif /* GNU */


#ifdef __USE_EXTERN_INLINES
__extern_inline int
__NTH (atoi (const char *__nptr))
{
  return (int) strtol (__nptr, (char **) NULL, 10);
}
__extern_inline long int
__NTH (atol (const char *__nptr))
{
  return strtol (__nptr, (char **) NULL, 10);
}

# ifdef __USE_ISOC99
__extension__ __extern_inline long long int
__NTH (atoll (const char *__nptr))
{
  return strtoll (__nptr, (char **) NULL, 10);
}
# endif
#endif /* Optimizing and Inlining.  */


#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
/* Convert N to base 64 using the digits "./0-9A-Za-z", least-significant
   digit first.  Returns a pointer to static storage overwritten by the
   next call.  */
extern char *l64a (long int __n) __THROW __wur;

/* Read a number from a string S in base 64 as above.  */
extern long int a64l (const char *__s)
     __THROW __attribute_pure__ __nonnull ((1)) __wur;

#endif	/* Use misc || extended X/Open.  */

#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
# include <sys/types.h>	/* we need int32_t... */

/* These are the functions that actually do things.  The `random', `srandom',
   `initstate' and `setstate' functions are those from BSD Unices.
   The `rand' and `srand' functions are required by the ANSI standard.
   We provide both interfaces to the same random number generator.  */
/* Return a random long integer between 0 and RAND_MAX inclusive.  */
extern long int random (void) __THROW;

/* Seed the random number generator with the given number.  */
extern void srandom (unsigned int __seed) __THROW;

/* Initialize the random number generator to use state buffer STATEBUF,
   of length STATELEN, and seed it with SEED.  Optimal lengths are 8, 16,
   32, 64, 128 and 256, the bigger the better; values less than 8 will
   cause an error and values greater than 256 will be rounded down.  */
extern char *initstate (unsigned int __seed, char *__statebuf,
			size_t __statelen) __THROW __nonnull ((2));

/* Switch the random number generator to state buffer STATEBUF,
   which should have been previously initialized by `initstate'.  */
extern char *setstate (char *__statebuf) __THROW __nonnull ((1));


# ifdef __USE_MISC
/* Reentrant versions of the `random' family of functions.
   These functions all use the following data structure to contain
   state, rather than global state variables.  */

struct random_data
  {
    int32_t *fptr;		/* Front pointer.  */
    int32_t *rptr;		/* Rear pointer.  */
    int32_t *state;		/* Array of state values.  */
    int rand_type;		/* Type of random number generator.  */
    int rand_deg;		/* Degree of random number generator.  */
    int rand_sep;		/* Distance between front and rear.  */
    int32_t *end_ptr;		/* Pointer behind state table.  */
  };

extern int random_r (struct random_data *__restrict __buf,
		     int32_t *__restrict __result) __THROW __nonnull ((1, 2));

extern int srandom_r (unsigned int __seed, struct random_data *__buf)
     __THROW __nonnull ((2));

extern int initstate_r (unsigned int __seed, char *__restrict __statebuf,
			size_t __statelen,
			struct random_data *__restrict __buf)
     __THROW __nonnull ((2, 4));

extern int setstate_r (char *__restrict __statebuf,
		       struct random_data *__restrict __buf)
     __THROW __nonnull ((1, 2));
# endif	/* Use misc.  */
#endif	/* Use extended X/Open || misc. */


/* Return a random integer between 0 and RAND_MAX inclusive.  */
extern int rand (void) __THROW;
/* Seed the random number generator with the given number.  */
extern void srand (unsigned int __seed) __THROW;

#ifdef __USE_POSIX199506
/* Reentrant interface according to POSIX.1.  */
extern int rand_r (unsigned int *__seed) __THROW;
#endif


#if defined __USE_MISC || defined __USE_XOPEN
/* System V style 48-bit random number generator functions.  */

/* Return non-negative, double-precision floating-point value in [0.0,1.0).  */
extern double drand48 (void) __THROW;
extern double erand48 (unsigned short int __xsubi[3]) __THROW __nonnull ((1));

/* Return non-negative, long integer in [0,2^31).  */
extern long int lrand48 (void) __THROW;
extern long int nrand48 (unsigned short int __xsubi[3])
     __THROW __nonnull ((1));

/* Return signed, long integers in [-2^31,2^31).  */
extern long int mrand48 (void) __THROW;
extern long int jrand48 (unsigned short int __xsubi[3])
     __THROW __nonnull ((1));

/* Seed random number generator.  */
extern void srand48 (long int __seedval) __THROW;
extern unsigned short int *seed48 (unsigned short int __seed16v[3])
     __THROW __nonnull ((1));
extern void lcong48 (unsigned short int __param[7]) __THROW __nonnull ((1));

# ifdef __USE_MISC
/* Data structure for communication with thread safe versions.  This
   type is to be regarded as opaque.  It's only exported because users
   have to allocate objects of this type.  */
struct drand48_data
  {
    unsigned short int __x[3];	/* Current state.  */
    unsigned short int __old_x[3]; /* Old state.  */
    unsigned short int __c;	/* Additive const. in congruential formula.  */
    unsigned short int __init;	/* Flag for initializing.  */
    __extension__ unsigned long long int __a;	/* Factor in congruential
						   formula.  */
  };

/* Return non-negative, double-precision floating-point value in [0.0,1.0).  */
extern int drand48_r (struct drand48_data *__restrict __buffer,
		      double *__restrict __result) __THROW __nonnull ((1, 2));
extern int erand48_r (unsigned short int __xsubi[3],
		      struct drand48_data *__restrict __buffer,
		      double *__restrict __result) __THROW __nonnull ((1, 2));

/* Return non-negative, long integer in [0,2^31).  */
extern int lrand48_r (struct drand48_data *__restrict __buffer,
		      long int *__restrict __result)
     __THROW __nonnull ((1, 2));
extern int nrand48_r (unsigned short int __xsubi[3],
		      struct drand48_data *__restrict __buffer,
		      long int *__restrict __result)
     __THROW __nonnull ((1, 2));

/* Return signed, long integers in [-2^31,2^31).  */
extern int mrand48_r (struct drand48_data *__restrict __buffer,
		      long int *__restrict __result)
     __THROW __nonnull ((1, 2));
extern int jrand48_r (unsigned short int __xsubi[3],
		      struct drand48_data *__restrict __buffer,
		      long int *__restrict __result)
     __THROW __nonnull ((1, 2));

/* Seed random number generator.  */
extern int srand48_r (long int __seedval, struct drand48_data *__buffer)
     __THROW __nonnull ((2));

extern int seed48_r (unsigned short int __seed16v[3],
		     struct drand48_data *__buffer) __THROW __nonnull ((1, 2));

extern int lcong48_r (unsigned short int __param[7],
		      struct drand48_data *__buffer)
     __THROW __nonnull ((1, 2));
# endif	/* Use misc.  */
#endif	/* Use misc or X/Open.  */

/* Allocate SIZE bytes of memory.  */
extern void *malloc (size_t __size) __THROW __attribute_malloc__ __wur;
/* Allocate NMEMB elements of SIZE bytes each, all initialized to 0.  */
extern void *calloc (size_t __nmemb, size_t __size)
     __THROW __attribute_malloc__ __wur;

/* Re-allocate the previously allocated block
   in PTR, making the new block SIZE bytes long.  */
/* __attribute_malloc__ is not used, because if realloc returns
   the same pointer that was passed to it, aliasing needs to be allowed
   between objects pointed by the old and new pointers.  */
extern void *realloc (void *__ptr, size_t __size)
     __THROW __attribute_warn_unused_result__;

#ifdef __USE_GNU
/* Re-allocate the previously allocated block in PTR, making the new
   block large enough for NMEMB elements of SIZE bytes each.  */
/* __attribute_malloc__ is not used, because if reallocarray returns
   the same pointer that was passed to it, aliasing needs to be allowed
   between objects pointed by the old and new pointers.  */
extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
     __THROW __attribute_warn_unused_result__;
#endif

/* Free a block allocated by `malloc', `realloc' or `calloc'.  */
extern void free (void *__ptr) __THROW;

#ifdef __USE_MISC
# include <alloca.h>
#endif /* Use misc.  */

#if (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K) \
    || defined __USE_MISC
/* Allocate SIZE bytes on a page boundary.  The storage cannot be freed.  */
extern void *valloc (size_t __size) __THROW __attribute_malloc__ __wur;
#endif

#ifdef __USE_XOPEN2K
/* Allocate memory of SIZE bytes with an alignment of ALIGNMENT.  */
extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
     __THROW __nonnull ((1)) __wur;
#endif

#ifdef __USE_ISOC11
/* ISO C variant of aligned allocation.  */
extern void *aligned_alloc (size_t __alignment, size_t __size)
     __THROW __attribute_malloc__ __attribute_alloc_size__ ((2)) __wur;
#endif

/* Abort execution and generate a core-dump.  */
extern void abort (void) __THROW __attribute__ ((__noreturn__));


/* Register a function to be called when `exit' is called.  */
extern int atexit (void (*__func) (void)) __THROW __nonnull ((1));

#if defined __USE_ISOC11 || defined __USE_ISOCXX11
/* Register a function to be called when `quick_exit' is called.  */
# ifdef __cplusplus
extern "C++" int at_quick_exit (void (*__func) (void))
     __THROW __asm ("at_quick_exit") __nonnull ((1));
# else
extern int at_quick_exit (void (*__func) (void)) __THROW __nonnull ((1));
# endif
#endif

#ifdef	__USE_MISC
/* Register a function to be called with the status
   given to `exit' and the given argument.  */
extern int on_exit (void (*__func) (int __status, void *__arg), void *__arg)
     __THROW __nonnull ((1));
#endif

/* Call all functions registered with `atexit' and `on_exit',
   in the reverse of the order in which they were registered,
   perform stdio cleanup, and terminate program execution with STATUS.  */
extern void exit (int __status) __THROW __attribute__ ((__noreturn__));

#if defined __USE_ISOC11 || defined __USE_ISOCXX11
/* Call all functions registered with `at_quick_exit' in the reverse
   of the order in which they were registered and terminate program
   execution with STATUS.  */
extern void quick_exit (int __status) __THROW __attribute__ ((__noreturn__));
#endif

#ifdef __USE_ISOC99
/* Terminate the program with STATUS without calling any of the
   functions registered with `atexit' or `on_exit'.  */
extern void _Exit (int __status) __THROW __attribute__ ((__noreturn__));
#endif


/* Return the value of envariable NAME, or NULL if it doesn't exist.  */
extern char *getenv (const char *__name) __THROW __nonnull ((1)) __wur;

#ifdef __USE_GNU
/* This function is similar to the above but returns NULL if the
   programs is running with SUID or SGID enabled.  */
extern char *secure_getenv (const char *__name)
     __THROW __nonnull ((1)) __wur;
#endif

#if defined __USE_MISC || defined __USE_XOPEN
/* The SVID says this is in <stdio.h>, but this seems a better place.	*/
/* Put STRING, which is of the form "NAME=VALUE", in the environment.
   If there is no `=', remove NAME from the environment.  */
extern int putenv (char *__string) __THROW __nonnull ((1));
#endif

#ifdef __USE_XOPEN2K
/* Set NAME to VALUE in the environment.
   If REPLACE is nonzero, overwrite an existing value.  */
extern int setenv (const char *__name, const char *__value, int __replace)
     __THROW __nonnull ((2));

/* Remove the variable NAME from the environment.  */
extern int unsetenv (const char *__name) __THROW __nonnull ((1));
#endif

#ifdef	__USE_MISC
/* The `clearenv' was planned to be added to POSIX.1 but probably
   never made it.  Nevertheless the POSIX.9 standard (POSIX bindings
   for Fortran 77) requires this function.  */
extern int clearenv (void) __THROW;
#endif


#if defined __USE_MISC \
    || (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8)
/* Generate a unique temporary file name from TEMPLATE.
   The last six characters of TEMPLATE must be "XXXXXX";
   they are replaced with a string that makes the file name unique.
   Always returns TEMPLATE, it's either a temporary file name or a null
   string if it cannot get a unique file name.  */
extern char *mktemp (char *__template) __THROW __nonnull ((1));
#endif

#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
/* Generate a unique temporary file name from TEMPLATE.
   The last six characters of TEMPLATE must be "XXXXXX";
   they are replaced with a string that makes the filename unique.
   Returns a file descriptor open on the file for reading and writing,
   or -1 if it cannot create a uniquely-named file.

   This function is a possible cancellation point and therefore not
   marked with __THROW.  */
# ifndef __USE_FILE_OFFSET64
extern int mkstemp (char *__template) __nonnull ((1)) __wur;
# else
#  ifdef __REDIRECT
extern int __REDIRECT (mkstemp, (char *__template), mkstemp64)
     __nonnull ((1)) __wur;
#  else
#   define mkstemp mkstemp64
#  endif
# endif
# ifdef __USE_LARGEFILE64
extern int mkstemp64 (char *__template) __nonnull ((1)) __wur;
# endif
#endif

#ifdef __USE_MISC
/* Similar to mkstemp, but the template can have a suffix after the
   XXXXXX.  The length of the suffix is specified in the second
   parameter.

   This function is a possible cancellation point and therefore not
   marked with __THROW.  */
# ifndef __USE_FILE_OFFSET64
extern int mkstemps (char *__template, int __suffixlen) __nonnull ((1)) __wur;
# else
#  ifdef __REDIRECT
extern int __REDIRECT (mkstemps, (char *__template, int __suffixlen),
		       mkstemps64) __nonnull ((1)) __wur;
#  else
#   define mkstemps mkstemps64
#  endif
# endif
# ifdef __USE_LARGEFILE64
extern int mkstemps64 (char *__template, int __suffixlen)
     __nonnull ((1)) __wur;
# endif
#endif

#ifdef __USE_XOPEN2K8
/* Create a unique temporary directory from TEMPLATE.
   The last six characters of TEMPLATE must be "XXXXXX";
   they are replaced with a string that makes the directory name unique.
   Returns TEMPLATE, or a null pointer if it cannot get a unique name.
   The directory is created mode 700.  */
extern char *mkdtemp (char *__template) __THROW __nonnull ((1)) __wur;
#endif

#ifdef __USE_GNU
/* Generate a unique temporary file name from TEMPLATE similar to
   mkstemp.  But allow the caller to pass additional flags which are
   used in the open call to create the file..

   This function is a possible cancellation point and therefore not
   marked with __THROW.  */
# ifndef __USE_FILE_OFFSET64
extern int mkostemp (char *__template, int __flags) __nonnull ((1)) __wur;
# else
#  ifdef __REDIRECT
extern int __REDIRECT (mkostemp, (char *__template, int __flags), mkostemp64)
     __nonnull ((1)) __wur;
#  else
#   define mkostemp mkostemp64
#  endif
# endif
# ifdef __USE_LARGEFILE64
extern int mkostemp64 (char *__template, int __flags) __nonnull ((1)) __wur;
# endif

/* Similar to mkostemp, but the template can have a suffix after the
   XXXXXX.  The length of the suffix is specified in the second
   parameter.

   This function is a possible cancellation point and therefore not
   marked with __THROW.  */
# ifndef __USE_FILE_OFFSET64
extern int mkostemps (char *__template, int __suffixlen, int __flags)
     __nonnull ((1)) __wur;
# else
#  ifdef __REDIRECT
extern int __REDIRECT (mkostemps, (char *__template, int __suffixlen,
				   int __flags), mkostemps64)
     __nonnull ((1)) __wur;
#  else
#   define mkostemps mkostemps64
#  endif
# endif
# ifdef __USE_LARGEFILE64
extern int mkostemps64 (char *__template, int __suffixlen, int __flags)
     __nonnull ((1)) __wur;
# endif
#endif


/* Execute the given line as a shell command.

   This function is a cancellation point and therefore not marked with
   __THROW.  */
extern int system (const char *__command) __wur;


#ifdef	__USE_GNU
/* Return a malloc'd string containing the canonical absolute name of the
   existing named file.  */
extern char *canonicalize_file_name (const char *__name)
     __THROW __nonnull ((1)) __wur;
#endif

#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
/* Return the canonical absolute name of file NAME.  If RESOLVED is
   null, the result is malloc'd; otherwise, if the canonical name is
   PATH_MAX chars or more, returns null with `errno' set to
   ENAMETOOLONG; if the name fits in fewer than PATH_MAX chars,
   returns the name in RESOLVED.  */
extern char *realpath (const char *__restrict __name,
		       char *__restrict __resolved) __THROW __wur;
#endif


/* Shorthand for type of comparison functions.  */
#ifndef __COMPAR_FN_T
# define __COMPAR_FN_T
typedef int (*__compar_fn_t) (const void *, const void *);

# ifdef	__USE_GNU
typedef __compar_fn_t comparison_fn_t;
# endif
#endif
#ifdef __USE_GNU
typedef int (*__compar_d_fn_t) (const void *, const void *, void *);
#endif

/* Do a binary search for KEY in BASE, which consists of NMEMB elements
   of SIZE bytes each, using COMPAR to perform the comparisons.  */
extern void *bsearch (const void *__key, const void *__base,
		      size_t __nmemb, size_t __size, __compar_fn_t __compar)
     __nonnull ((1, 2, 5)) __wur;

#ifdef __USE_EXTERN_INLINES
# include <bits/stdlib-bsearch.h>
#endif

/* Sort NMEMB elements of BASE, of SIZE bytes each,
   using COMPAR to perform the comparisons.  */
extern void qsort (void *__base, size_t __nmemb, size_t __size,
		   __compar_fn_t __compar) __nonnull ((1, 4));
#ifdef __USE_GNU
extern void qsort_r (void *__base, size_t __nmemb, size_t __size,
		     __compar_d_fn_t __compar, void *__arg)
  __nonnull ((1, 4));
#endif


/* Return the absolute value of X.  */
extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
extern long int labs (long int __x) __THROW __attribute__ ((__const__)) __wur;

#ifdef __USE_ISOC99
__extension__ extern long long int llabs (long long int __x)
     __THROW __attribute__ ((__const__)) __wur;
#endif


/* Return the `div_t', `ldiv_t' or `lldiv_t' representation
   of the value of NUMER over DENOM. */
/* GCC may have built-ins for these someday.  */
extern div_t div (int __numer, int __denom)
     __THROW __attribute__ ((__const__)) __wur;
extern ldiv_t ldiv (long int __numer, long int __denom)
     __THROW __attribute__ ((__const__)) __wur;

#ifdef __USE_ISOC99
__extension__ extern lldiv_t lldiv (long long int __numer,
				    long long int __denom)
     __THROW __attribute__ ((__const__)) __wur;
#endif


#if (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8) \
    || defined __USE_MISC
/* Convert floating point numbers to strings.  The returned values are
   valid only until another call to the same function.  */

/* Convert VALUE to a string with NDIGIT digits and return a pointer to
   this.  Set *DECPT with the position of the decimal character and *SIGN
   with the sign of the number.  */
extern char *ecvt (double __value, int __ndigit, int *__restrict __decpt,
		   int *__restrict __sign) __THROW __nonnull ((3, 4)) __wur;

/* Convert VALUE to a string rounded to NDIGIT decimal digits.  Set *DECPT
   with the position of the decimal character and *SIGN with the sign of
   the number.  */
extern char *fcvt (double __value, int __ndigit, int *__restrict __decpt,
		   int *__restrict __sign) __THROW __nonnull ((3, 4)) __wur;

/* If possible convert VALUE to a string with NDIGIT significant digits.
   Otherwise use exponential representation.  The resulting string will
   be written to BUF.  */
extern char *gcvt (double __value, int __ndigit, char *__buf)
     __THROW __nonnull ((3)) __wur;
#endif

#ifdef __USE_MISC
/* Long double versions of above functions.  */
extern char *qecvt (long double __value, int __ndigit,
		    int *__restrict __decpt, int *__restrict __sign)
     __THROW __nonnull ((3, 4)) __wur;
extern char *qfcvt (long double __value, int __ndigit,
		    int *__restrict __decpt, int *__restrict __sign)
     __THROW __nonnull ((3, 4)) __wur;
extern char *qgcvt (long double __value, int __ndigit, char *__buf)
     __THROW __nonnull ((3)) __wur;


/* Reentrant version of the functions above which provide their own
   buffers.  */
extern int ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
		   int *__restrict __sign, char *__restrict __buf,
		   size_t __len) __THROW __nonnull ((3, 4, 5));
extern int fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
		   int *__restrict __sign, char *__restrict __buf,
		   size_t __len) __THROW __nonnull ((3, 4, 5));

extern int qecvt_r (long double __value, int __ndigit,
		    int *__restrict __decpt, int *__restrict __sign,
		    char *__restrict __buf, size_t __len)
     __THROW __nonnull ((3, 4, 5));
extern int qfcvt_r (long double __value, int __ndigit,
		    int *__restrict __decpt, int *__restrict __sign,
		    char *__restrict __buf, size_t __len)
     __THROW __nonnull ((3, 4, 5));
#endif	/* misc */


/* Return the length of the multibyte character
   in S, which is no longer than N.  */
extern int mblen (const char *__s, size_t __n) __THROW;
/* Return the length of the given multibyte character,
   putting its `wchar_t' representation in *PWC.  */
extern int mbtowc (wchar_t *__restrict __pwc,
		   const char *__restrict __s, size_t __n) __THROW;
/* Put the multibyte character represented
   by WCHAR in S, returning its length.  */
extern int wctomb (char *__s, wchar_t __wchar) __THROW;


/* Convert a multibyte string to a wide char string.  */
extern size_t mbstowcs (wchar_t *__restrict  __pwcs,
			const char *__restrict __s, size_t __n) __THROW;
/* Convert a wide char string to multibyte string.  */
extern size_t wcstombs (char *__restrict __s,
			const wchar_t *__restrict __pwcs, size_t __n)
     __THROW;


#ifdef __USE_MISC
/* Determine whether the string value of RESPONSE matches the affirmation
   or negative response expression as specified by the LC_MESSAGES category
   in the program's current locale.  Returns 1 if affirmative, 0 if
   negative, and -1 if not matching.  */
extern int rpmatch (const char *__response) __THROW __nonnull ((1)) __wur;
#endif


#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
/* Parse comma separated suboption from *OPTIONP and match against
   strings in TOKENS.  If found return index and set *VALUEP to
   optional value introduced by an equal sign.  If the suboption is
   not part of TOKENS return in *VALUEP beginning of unknown
   suboption.  On exit *OPTIONP is set to the beginning of the next
   token or at the terminating NUL character.  */
extern int getsubopt (char **__restrict __optionp,
		      char *const *__restrict __tokens,
		      char **__restrict __valuep)
     __THROW __nonnull ((1, 2, 3)) __wur;
#endif


#ifdef __USE_XOPEN
/* Setup DES tables according KEY.  */
extern void setkey (const char *__key) __THROW __nonnull ((1));
#endif


/* X/Open pseudo terminal handling.  */

#ifdef __USE_XOPEN2KXSI
/* Return a master pseudo-terminal handle.  */
extern int posix_openpt (int __oflag) __wur;
#endif

#ifdef __USE_XOPEN_EXTENDED
/* The next four functions all take a master pseudo-tty fd and
   perform an operation on the associated slave:  */

/* Chown the slave to the calling user.  */
extern int grantpt (int __fd) __THROW;

/* Release an internal lock so the slave can be opened.
   Call after grantpt().  */
extern int unlockpt (int __fd) __THROW;

/* Return the pathname of the pseudo terminal slave associated with
   the master FD is open on, or NULL on errors.
   The returned storage is good until the next call to this function.  */
extern char *ptsname (int __fd) __THROW __wur;
#endif

#ifdef __USE_GNU
/* Store at most BUFLEN characters of the pathname of the slave pseudo
   terminal associated with the master FD is open on in BUF.
   Return 0 on success, otherwise an error number.  */
extern int ptsname_r (int __fd, char *__buf, size_t __buflen)
     __THROW __nonnull ((2));

/* Open a master pseudo terminal and return its file descriptor.  */
extern int getpt (void);
#endif

#ifdef __USE_MISC
/* Put the 1 minute, 5 minute and 15 minute load averages into the first
   NELEM elements of LOADAVG.  Return the number written (never more than
   three, but may be less than NELEM), or -1 if an error occurred.  */
extern int getloadavg (double __loadavg[], int __nelem)
     __THROW __nonnull ((1));
#endif

#if defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K
/* Return the index into the active-logins file (utmp) for
   the controlling terminal.  */
extern int ttyslot (void) __THROW;
#endif

#include <bits/stdlib-float.h>

/* Define some macros helping to catch buffer overflows.  */
#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
# include <bits/stdlib.h>
#endif
#ifdef __LDBL_COMPAT
# include <bits/stdlib-ldbl.h>
#endif

__END_DECLS

#endif /* stdlib.h  */