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
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
pub type pthread_t = c_ulong;
pub type __priority_which_t = ::c_uint;
pub type __rlimit_resource_t = ::c_uint;
pub type Lmid_t = ::c_long;
pub type regoff_t = ::c_int;

s! {
    pub struct statx {
        pub stx_mask: u32,
        pub stx_blksize: u32,
        pub stx_attributes: u64,
        pub stx_nlink: u32,
        pub stx_uid: u32,
        pub stx_gid: u32,
        pub stx_mode: u16,
        pub __statx_pad1: [u16; 1],
        pub stx_ino: u64,
        pub stx_size: u64,
        pub stx_blocks: u64,
        pub stx_attributes_mask: u64,
        pub stx_atime: ::statx_timestamp,
        pub stx_btime: ::statx_timestamp,
        pub stx_ctime: ::statx_timestamp,
        pub stx_mtime: ::statx_timestamp,
        pub stx_rdev_major: u32,
        pub stx_rdev_minor: u32,
        pub stx_dev_major: u32,
        pub stx_dev_minor: u32,
        pub __statx_pad2: [u64; 14],
    }

    pub struct statx_timestamp {
        pub tv_sec: i64,
        pub tv_nsec: u32,
        pub __statx_timestamp_pad1: [i32; 1],
    }

    pub struct aiocb {
        pub aio_fildes: ::c_int,
        pub aio_lio_opcode: ::c_int,
        pub aio_reqprio: ::c_int,
        pub aio_buf: *mut ::c_void,
        pub aio_nbytes: ::size_t,
        pub aio_sigevent: ::sigevent,
        __next_prio: *mut aiocb,
        __abs_prio: ::c_int,
        __policy: ::c_int,
        __error_code: ::c_int,
        __return_value: ::ssize_t,
        pub aio_offset: off_t,
        #[cfg(all(not(target_arch = "x86_64"), target_pointer_width = "32"))]
        __unused1: [::c_char; 4],
        __glibc_reserved: [::c_char; 32]
    }

    pub struct __exit_status {
        pub e_termination: ::c_short,
        pub e_exit: ::c_short,
    }

    pub struct __timeval {
        pub tv_sec: i32,
        pub tv_usec: i32,
    }

    pub struct glob64_t {
        pub gl_pathc: ::size_t,
        pub gl_pathv: *mut *mut ::c_char,
        pub gl_offs: ::size_t,
        pub gl_flags: ::c_int,

        __unused1: *mut ::c_void,
        __unused2: *mut ::c_void,
        __unused3: *mut ::c_void,
        __unused4: *mut ::c_void,
        __unused5: *mut ::c_void,
    }

    pub struct msghdr {
        pub msg_name: *mut ::c_void,
        pub msg_namelen: ::socklen_t,
        pub msg_iov: *mut ::iovec,
        pub msg_iovlen: ::size_t,
        pub msg_control: *mut ::c_void,
        pub msg_controllen: ::size_t,
        pub msg_flags: ::c_int,
    }

    pub struct cmsghdr {
        pub cmsg_len: ::size_t,
        pub cmsg_level: ::c_int,
        pub cmsg_type: ::c_int,
    }

    pub struct termios {
        pub c_iflag: ::tcflag_t,
        pub c_oflag: ::tcflag_t,
        pub c_cflag: ::tcflag_t,
        pub c_lflag: ::tcflag_t,
        pub c_line: ::cc_t,
        pub c_cc: [::cc_t; ::NCCS],
        #[cfg(not(any(
            target_arch = "sparc",
            target_arch = "sparc64",
            target_arch = "mips",
            target_arch = "mips64")))]
        pub c_ispeed: ::speed_t,
        #[cfg(not(any(
            target_arch = "sparc",
            target_arch = "sparc64",
            target_arch = "mips",
            target_arch = "mips64")))]
        pub c_ospeed: ::speed_t,
    }

    pub struct mallinfo {
        pub arena: ::c_int,
        pub ordblks: ::c_int,
        pub smblks: ::c_int,
        pub hblks: ::c_int,
        pub hblkhd: ::c_int,
        pub usmblks: ::c_int,
        pub fsmblks: ::c_int,
        pub uordblks: ::c_int,
        pub fordblks: ::c_int,
        pub keepcost: ::c_int,
    }

    pub struct nlmsghdr {
        pub nlmsg_len: u32,
        pub nlmsg_type: u16,
        pub nlmsg_flags: u16,
        pub nlmsg_seq: u32,
        pub nlmsg_pid: u32,
    }

    pub struct nlmsgerr {
        pub error: ::c_int,
        pub msg: nlmsghdr,
    }

    pub struct nl_pktinfo {
        pub group: u32,
    }

    pub struct nl_mmap_req {
        pub nm_block_size: ::c_uint,
        pub nm_block_nr: ::c_uint,
        pub nm_frame_size: ::c_uint,
        pub nm_frame_nr: ::c_uint,
    }

    pub struct nl_mmap_hdr {
        pub nm_status: ::c_uint,
        pub nm_len: ::c_uint,
        pub nm_group: u32,
        pub nm_pid: u32,
        pub nm_uid: u32,
        pub nm_gid: u32,
    }

    pub struct nlattr {
        pub nla_len: u16,
        pub nla_type: u16,
    }

    pub struct rtentry {
        pub rt_pad1: ::c_ulong,
        pub rt_dst: ::sockaddr,
        pub rt_gateway: ::sockaddr,
        pub rt_genmask: ::sockaddr,
        pub rt_flags: ::c_ushort,
        pub rt_pad2: ::c_short,
        pub rt_pad3: ::c_ulong,
        pub rt_tos: ::c_uchar,
        pub rt_class: ::c_uchar,
        #[cfg(target_pointer_width = "64")]
        pub rt_pad4: [::c_short; 3usize],
        #[cfg(not(target_pointer_width = "64"))]
        pub rt_pad4: ::c_short,
        pub rt_metric: ::c_short,
        pub rt_dev: *mut ::c_char,
        pub rt_mtu: ::c_ulong,
        pub rt_window: ::c_ulong,
        pub rt_irtt: ::c_ushort,
    }

    pub struct timex {
        pub modes: ::c_uint,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub offset: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub offset: ::c_long,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub freq: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub freq: ::c_long,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub maxerror: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub maxerror: ::c_long,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub esterror: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub esterror: ::c_long,
        pub status: ::c_int,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub constant: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub constant: ::c_long,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub precision: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub precision: ::c_long,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub tolerance: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub tolerance: ::c_long,
        pub time: ::timeval,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub tick: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub tick: ::c_long,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub ppsfreq: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub ppsfreq: ::c_long,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub jitter: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub jitter: ::c_long,
        pub shift: ::c_int,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub stabil: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub stabil: ::c_long,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub jitcnt: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub jitcnt: ::c_long,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub calcnt: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub calcnt: ::c_long,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub errcnt: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub errcnt: ::c_long,
        #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
        pub stbcnt: i64,
        #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
        pub stbcnt: ::c_long,
        pub tai: ::c_int,
        pub __unused1: i32,
        pub __unused2: i32,
        pub __unused3: i32,
        pub __unused4: i32,
        pub __unused5: i32,
        pub __unused6: i32,
        pub __unused7: i32,
        pub __unused8: i32,
        pub __unused9: i32,
        pub __unused10: i32,
        pub __unused11: i32,
    }

    pub struct ntptimeval {
        pub time: ::timeval,
        pub maxerror: ::c_long,
        pub esterror: ::c_long,
        pub tai: ::c_long,
        pub __glibc_reserved1: ::c_long,
        pub __glibc_reserved2: ::c_long,
        pub __glibc_reserved3: ::c_long,
        pub __glibc_reserved4: ::c_long,
    }

    pub struct regex_t {
        __buffer: *mut ::c_void,
        __allocated: ::size_t,
        __used: ::size_t,
        __syntax: ::c_ulong,
        __fastmap: *mut ::c_char,
        __translate: *mut ::c_char,
        __re_nsub: ::size_t,
        __bitfield: u8,
    }
}

impl siginfo_t {
    pub unsafe fn si_addr(&self) -> *mut ::c_void {
        #[repr(C)]
        struct siginfo_sigfault {
            _si_signo: ::c_int,
            _si_errno: ::c_int,
            _si_code: ::c_int,
            si_addr: *mut ::c_void,
        }
        (*(self as *const siginfo_t as *const siginfo_sigfault)).si_addr
    }

    pub unsafe fn si_value(&self) -> ::sigval {
        #[repr(C)]
        struct siginfo_timer {
            _si_signo: ::c_int,
            _si_errno: ::c_int,
            _si_code: ::c_int,
            _si_tid: ::c_int,
            _si_overrun: ::c_int,
            si_sigval: ::sigval,
        }
        (*(self as *const siginfo_t as *const siginfo_timer)).si_sigval
    }
}

cfg_if! {
    if #[cfg(libc_union)] {
        // Internal, for casts to access union fields
        #[repr(C)]
        struct sifields_sigchld {
            si_pid: ::pid_t,
            si_uid: ::uid_t,
            si_status: ::c_int,
            si_utime: ::c_long,
            si_stime: ::c_long,
        }
        impl ::Copy for sifields_sigchld {}
        impl ::Clone for sifields_sigchld {
            fn clone(&self) -> sifields_sigchld {
                *self
            }
        }

        // Internal, for casts to access union fields
        #[repr(C)]
        union sifields {
            _align_pointer: *mut ::c_void,
            sigchld: sifields_sigchld,
        }

        // Internal, for casts to access union fields. Note that some variants
        // of sifields start with a pointer, which makes the alignment of
        // sifields vary on 32-bit and 64-bit architectures.
        #[repr(C)]
        struct siginfo_f {
            _siginfo_base: [::c_int; 3],
            sifields: sifields,
        }

        impl siginfo_t {
            unsafe fn sifields(&self) -> &sifields {
                &(*(self as *const siginfo_t as *const siginfo_f)).sifields
            }

            pub unsafe fn si_pid(&self) -> ::pid_t {
                self.sifields().sigchld.si_pid
            }

            pub unsafe fn si_uid(&self) -> ::uid_t {
                self.sifields().sigchld.si_uid
            }

            pub unsafe fn si_status(&self) -> ::c_int {
                self.sifields().sigchld.si_status
            }

            pub unsafe fn si_utime(&self) -> ::c_long {
                self.sifields().sigchld.si_utime
            }

            pub unsafe fn si_stime(&self) -> ::c_long {
                self.sifields().sigchld.si_stime
            }
        }
    }
}

s_no_extra_traits! {
    pub struct utmpx {
        pub ut_type: ::c_short,
        pub ut_pid: ::pid_t,
        pub ut_line: [::c_char; __UT_LINESIZE],
        pub ut_id: [::c_char; 4],

        pub ut_user: [::c_char; __UT_NAMESIZE],
        pub ut_host: [::c_char; __UT_HOSTSIZE],
        pub ut_exit: __exit_status,

        #[cfg(any(target_arch = "aarch64",
                  target_arch = "s390x",
                  all(target_pointer_width = "32",
                      not(target_arch = "x86_64"))))]
        pub ut_session: ::c_long,
        #[cfg(any(target_arch = "aarch64",
                  target_arch = "s390x",
                  all(target_pointer_width = "32",
                      not(target_arch = "x86_64"))))]
        pub ut_tv: ::timeval,

        #[cfg(not(any(target_arch = "aarch64",
                      target_arch = "s390x",
                      all(target_pointer_width = "32",
                          not(target_arch = "x86_64")))))]
        pub ut_session: i32,
        #[cfg(not(any(target_arch = "aarch64",
                      target_arch = "s390x",
                      all(target_pointer_width = "32",
                          not(target_arch = "x86_64")))))]
        pub ut_tv: __timeval,

        pub ut_addr_v6: [i32; 4],
        __glibc_reserved: [::c_char; 20],
    }
}

cfg_if! {
    if #[cfg(feature = "extra_traits")] {
        impl PartialEq for utmpx {
            fn eq(&self, other: &utmpx) -> bool {
                self.ut_type == other.ut_type
                    && self.ut_pid == other.ut_pid
                    && self.ut_line == other.ut_line
                    && self.ut_id == other.ut_id
                    && self.ut_user == other.ut_user
                    && self
                    .ut_host
                    .iter()
                    .zip(other.ut_host.iter())
                    .all(|(a,b)| a == b)
                    && self.ut_exit == other.ut_exit
                    && self.ut_session == other.ut_session
                    && self.ut_tv == other.ut_tv
                    && self.ut_addr_v6 == other.ut_addr_v6
                    && self.__glibc_reserved == other.__glibc_reserved
            }
        }

        impl Eq for utmpx {}

        impl ::fmt::Debug for utmpx {
            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                f.debug_struct("utmpx")
                    .field("ut_type", &self.ut_type)
                    .field("ut_pid", &self.ut_pid)
                    .field("ut_line", &self.ut_line)
                    .field("ut_id", &self.ut_id)
                    .field("ut_user", &self.ut_user)
                // FIXME: .field("ut_host", &self.ut_host)
                    .field("ut_exit", &self.ut_exit)
                    .field("ut_session", &self.ut_session)
                    .field("ut_tv", &self.ut_tv)
                    .field("ut_addr_v6", &self.ut_addr_v6)
                    .field("__glibc_reserved", &self.__glibc_reserved)
                    .finish()
            }
        }

        impl ::hash::Hash for utmpx {
            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
                self.ut_type.hash(state);
                self.ut_pid.hash(state);
                self.ut_line.hash(state);
                self.ut_id.hash(state);
                self.ut_user.hash(state);
                self.ut_host.hash(state);
                self.ut_exit.hash(state);
                self.ut_session.hash(state);
                self.ut_tv.hash(state);
                self.ut_addr_v6.hash(state);
                self.__glibc_reserved.hash(state);
            }
        }
    }
}

// include/uapi/asm-generic/hugetlb_encode.h
pub const HUGETLB_FLAG_ENCODE_SHIFT: ::c_int = 26;
pub const HUGETLB_FLAG_ENCODE_MASK:  ::c_int = 0x3f;

pub const HUGETLB_FLAG_ENCODE_64KB:  ::c_int = 16 << HUGETLB_FLAG_ENCODE_SHIFT;
pub const HUGETLB_FLAG_ENCODE_512KB: ::c_int = 19 << HUGETLB_FLAG_ENCODE_SHIFT;
pub const HUGETLB_FLAG_ENCODE_1MB:   ::c_int = 20 << HUGETLB_FLAG_ENCODE_SHIFT;
pub const HUGETLB_FLAG_ENCODE_2MB:   ::c_int = 21 << HUGETLB_FLAG_ENCODE_SHIFT;
pub const HUGETLB_FLAG_ENCODE_8MB:   ::c_int = 23 << HUGETLB_FLAG_ENCODE_SHIFT;
pub const HUGETLB_FLAG_ENCODE_16MB:  ::c_int = 24 << HUGETLB_FLAG_ENCODE_SHIFT;
pub const HUGETLB_FLAG_ENCODE_32MB:  ::c_int = 25 << HUGETLB_FLAG_ENCODE_SHIFT;
pub const HUGETLB_FLAG_ENCODE_256MB: ::c_int = 28 << HUGETLB_FLAG_ENCODE_SHIFT;
pub const HUGETLB_FLAG_ENCODE_512MB: ::c_int = 29 << HUGETLB_FLAG_ENCODE_SHIFT;
pub const HUGETLB_FLAG_ENCODE_1GB:   ::c_int = 30 << HUGETLB_FLAG_ENCODE_SHIFT;
pub const HUGETLB_FLAG_ENCODE_2GB:   ::c_int = 31 << HUGETLB_FLAG_ENCODE_SHIFT;
pub const HUGETLB_FLAG_ENCODE_16GB:  ::c_int = 34 << HUGETLB_FLAG_ENCODE_SHIFT;

// include/uapi/linux/mman.h
/*
 * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
 * size other than the default is desired.  See hugetlb_encode.h.
 * All known huge page size encodings are provided here.  It is the
 * responsibility of the application to know which sizes are supported on
 * the running system.  See mmap(2) man page for details.
 */
pub const MAP_HUGE_SHIFT: ::c_int = HUGETLB_FLAG_ENCODE_SHIFT;
pub const MAP_HUGE_MASK:  ::c_int = HUGETLB_FLAG_ENCODE_MASK;

pub const MAP_HUGE_64KB:  ::c_int = HUGETLB_FLAG_ENCODE_64KB;
pub const MAP_HUGE_512KB: ::c_int = HUGETLB_FLAG_ENCODE_512KB;
pub const MAP_HUGE_1MB:   ::c_int = HUGETLB_FLAG_ENCODE_1MB;
pub const MAP_HUGE_2MB:   ::c_int = HUGETLB_FLAG_ENCODE_2MB;
pub const MAP_HUGE_8MB:   ::c_int = HUGETLB_FLAG_ENCODE_8MB;
pub const MAP_HUGE_16MB:  ::c_int = HUGETLB_FLAG_ENCODE_16MB;
pub const MAP_HUGE_32MB:  ::c_int = HUGETLB_FLAG_ENCODE_32MB;
pub const MAP_HUGE_256MB: ::c_int = HUGETLB_FLAG_ENCODE_256MB;
pub const MAP_HUGE_512MB: ::c_int = HUGETLB_FLAG_ENCODE_512MB;
pub const MAP_HUGE_1GB:   ::c_int = HUGETLB_FLAG_ENCODE_1GB;
pub const MAP_HUGE_2GB:   ::c_int = HUGETLB_FLAG_ENCODE_2GB;
pub const MAP_HUGE_16GB:  ::c_int = HUGETLB_FLAG_ENCODE_16GB;

pub const RLIMIT_CPU: ::__rlimit_resource_t = 0;
pub const RLIMIT_FSIZE: ::__rlimit_resource_t = 1;
pub const RLIMIT_DATA: ::__rlimit_resource_t = 2;
pub const RLIMIT_STACK: ::__rlimit_resource_t = 3;
pub const RLIMIT_CORE: ::__rlimit_resource_t = 4;
pub const RLIMIT_LOCKS: ::__rlimit_resource_t = 10;
pub const RLIMIT_SIGPENDING: ::__rlimit_resource_t = 11;
pub const RLIMIT_MSGQUEUE: ::__rlimit_resource_t = 12;
pub const RLIMIT_NICE: ::__rlimit_resource_t = 13;
pub const RLIMIT_RTPRIO: ::__rlimit_resource_t = 14;
pub const RLIMIT_RTTIME: ::__rlimit_resource_t = 15;
pub const RLIMIT_NLIMITS: ::__rlimit_resource_t = 16;

pub const PRIO_PROCESS: ::__priority_which_t = 0;
pub const PRIO_PGRP: ::__priority_which_t = 1;
pub const PRIO_USER: ::__priority_which_t = 2;

pub const MS_RMT_MASK: ::c_ulong = 0x02800051;

pub const __UT_LINESIZE: usize = 32;
pub const __UT_NAMESIZE: usize = 32;
pub const __UT_HOSTSIZE: usize = 256;
pub const EMPTY: ::c_short = 0;
pub const RUN_LVL: ::c_short = 1;
pub const BOOT_TIME: ::c_short = 2;
pub const NEW_TIME: ::c_short = 3;
pub const OLD_TIME: ::c_short = 4;
pub const INIT_PROCESS: ::c_short = 5;
pub const LOGIN_PROCESS: ::c_short = 6;
pub const USER_PROCESS: ::c_short = 7;
pub const DEAD_PROCESS: ::c_short = 8;
pub const ACCOUNTING: ::c_short = 9;

// dlfcn.h
pub const LM_ID_BASE: ::c_long = 0;
pub const LM_ID_NEWLM: ::c_long = -1;

pub const RTLD_DI_LMID: ::c_int = 1;
pub const RTLD_DI_LINKMAP: ::c_int = 2;
pub const RTLD_DI_CONFIGADDR: ::c_int = 3;
pub const RTLD_DI_SERINFO: ::c_int = 4;
pub const RTLD_DI_SERINFOSIZE: ::c_int = 5;
pub const RTLD_DI_ORIGIN: ::c_int = 6;
pub const RTLD_DI_PROFILENAME: ::c_int = 7;
pub const RTLD_DI_PROFILEOUT: ::c_int = 8;
pub const RTLD_DI_TLS_MODID: ::c_int = 9;
pub const RTLD_DI_TLS_DATA: ::c_int = 10;

pub const SOCK_NONBLOCK: ::c_int = O_NONBLOCK;

pub const SOL_RXRPC: ::c_int = 272;
pub const SOL_PPPOL2TP: ::c_int = 273;
pub const SOL_PNPIPE: ::c_int = 275;
pub const SOL_RDS: ::c_int = 276;
pub const SOL_IUCV: ::c_int = 277;
pub const SOL_CAIF: ::c_int = 278;
pub const SOL_NFC: ::c_int = 280;
pub const SOL_XDP: ::c_int = 283;

pub const MSG_TRYHARD: ::c_int = 4;

pub const LC_PAPER: ::c_int = 7;
pub const LC_NAME: ::c_int = 8;
pub const LC_ADDRESS: ::c_int = 9;
pub const LC_TELEPHONE: ::c_int = 10;
pub const LC_MEASUREMENT: ::c_int = 11;
pub const LC_IDENTIFICATION: ::c_int = 12;
pub const LC_PAPER_MASK: ::c_int = 1 << LC_PAPER;
pub const LC_NAME_MASK: ::c_int = 1 << LC_NAME;
pub const LC_ADDRESS_MASK: ::c_int = 1 << LC_ADDRESS;
pub const LC_TELEPHONE_MASK: ::c_int = 1 << LC_TELEPHONE;
pub const LC_MEASUREMENT_MASK: ::c_int = 1 << LC_MEASUREMENT;
pub const LC_IDENTIFICATION_MASK: ::c_int = 1 << LC_IDENTIFICATION;
pub const LC_ALL_MASK: ::c_int = ::LC_CTYPE_MASK
    | ::LC_NUMERIC_MASK
    | ::LC_TIME_MASK
    | ::LC_COLLATE_MASK
    | ::LC_MONETARY_MASK
    | ::LC_MESSAGES_MASK
    | LC_PAPER_MASK
    | LC_NAME_MASK
    | LC_ADDRESS_MASK
    | LC_TELEPHONE_MASK
    | LC_MEASUREMENT_MASK
    | LC_IDENTIFICATION_MASK;

pub const ENOTSUP: ::c_int = EOPNOTSUPP;

pub const SOCK_SEQPACKET: ::c_int = 5;
pub const SOCK_DCCP: ::c_int = 6;
pub const SOCK_PACKET: ::c_int = 10;

pub const TCP_COOKIE_TRANSACTIONS: ::c_int = 15;
pub const TCP_THIN_LINEAR_TIMEOUTS: ::c_int = 16;
pub const TCP_THIN_DUPACK: ::c_int = 17;
pub const TCP_USER_TIMEOUT: ::c_int = 18;
pub const TCP_REPAIR: ::c_int = 19;
pub const TCP_REPAIR_QUEUE: ::c_int = 20;
pub const TCP_QUEUE_SEQ: ::c_int = 21;
pub const TCP_REPAIR_OPTIONS: ::c_int = 22;
pub const TCP_FASTOPEN: ::c_int = 23;
pub const TCP_TIMESTAMP: ::c_int = 24;
pub const TCP_FASTOPEN_CONNECT: ::c_int = 30;

/* DCCP socket options */
pub const DCCP_SOCKOPT_PACKET_SIZE: ::c_int = 1;
pub const DCCP_SOCKOPT_SERVICE: ::c_int = 2;
pub const DCCP_SOCKOPT_CHANGE_L: ::c_int = 3;
pub const DCCP_SOCKOPT_CHANGE_R: ::c_int = 4;
pub const DCCP_SOCKOPT_GET_CUR_MPS: ::c_int = 5;
pub const DCCP_SOCKOPT_SERVER_TIMEWAIT: ::c_int = 6;
pub const DCCP_SOCKOPT_SEND_CSCOV: ::c_int = 10;
pub const DCCP_SOCKOPT_RECV_CSCOV: ::c_int = 11;
pub const DCCP_SOCKOPT_AVAILABLE_CCIDS: ::c_int = 12;
pub const DCCP_SOCKOPT_CCID: ::c_int = 13;
pub const DCCP_SOCKOPT_TX_CCID: ::c_int = 14;
pub const DCCP_SOCKOPT_RX_CCID: ::c_int = 15;
pub const DCCP_SOCKOPT_QPOLICY_ID: ::c_int = 16;
pub const DCCP_SOCKOPT_QPOLICY_TXQLEN: ::c_int = 17;
pub const DCCP_SOCKOPT_CCID_RX_INFO: ::c_int = 128;
pub const DCCP_SOCKOPT_CCID_TX_INFO: ::c_int = 192;

/// maximum number of services provided on the same listening port
pub const DCCP_SERVICE_LIST_MAX_LEN: ::c_int = 32;

pub const SIGEV_THREAD_ID: ::c_int = 4;

pub const BUFSIZ: ::c_uint = 8192;
pub const TMP_MAX: ::c_uint = 238328;
pub const FOPEN_MAX: ::c_uint = 16;
pub const POSIX_MADV_DONTNEED: ::c_int = 4;
pub const _SC_EQUIV_CLASS_MAX: ::c_int = 41;
pub const _SC_CHARCLASS_NAME_MAX: ::c_int = 45;
pub const _SC_PII: ::c_int = 53;
pub const _SC_PII_XTI: ::c_int = 54;
pub const _SC_PII_SOCKET: ::c_int = 55;
pub const _SC_PII_INTERNET: ::c_int = 56;
pub const _SC_PII_OSI: ::c_int = 57;
pub const _SC_POLL: ::c_int = 58;
pub const _SC_SELECT: ::c_int = 59;
pub const _SC_PII_INTERNET_STREAM: ::c_int = 61;
pub const _SC_PII_INTERNET_DGRAM: ::c_int = 62;
pub const _SC_PII_OSI_COTS: ::c_int = 63;
pub const _SC_PII_OSI_CLTS: ::c_int = 64;
pub const _SC_PII_OSI_M: ::c_int = 65;
pub const _SC_T_IOV_MAX: ::c_int = 66;
pub const _SC_2_C_VERSION: ::c_int = 96;
pub const _SC_CHAR_BIT: ::c_int = 101;
pub const _SC_CHAR_MAX: ::c_int = 102;
pub const _SC_CHAR_MIN: ::c_int = 103;
pub const _SC_INT_MAX: ::c_int = 104;
pub const _SC_INT_MIN: ::c_int = 105;
pub const _SC_LONG_BIT: ::c_int = 106;
pub const _SC_WORD_BIT: ::c_int = 107;
pub const _SC_MB_LEN_MAX: ::c_int = 108;
pub const _SC_SSIZE_MAX: ::c_int = 110;
pub const _SC_SCHAR_MAX: ::c_int = 111;
pub const _SC_SCHAR_MIN: ::c_int = 112;
pub const _SC_SHRT_MAX: ::c_int = 113;
pub const _SC_SHRT_MIN: ::c_int = 114;
pub const _SC_UCHAR_MAX: ::c_int = 115;
pub const _SC_UINT_MAX: ::c_int = 116;
pub const _SC_ULONG_MAX: ::c_int = 117;
pub const _SC_USHRT_MAX: ::c_int = 118;
pub const _SC_NL_ARGMAX: ::c_int = 119;
pub const _SC_NL_LANGMAX: ::c_int = 120;
pub const _SC_NL_MSGMAX: ::c_int = 121;
pub const _SC_NL_NMAX: ::c_int = 122;
pub const _SC_NL_SETMAX: ::c_int = 123;
pub const _SC_NL_TEXTMAX: ::c_int = 124;
pub const _SC_BASE: ::c_int = 134;
pub const _SC_C_LANG_SUPPORT: ::c_int = 135;
pub const _SC_C_LANG_SUPPORT_R: ::c_int = 136;
pub const _SC_DEVICE_IO: ::c_int = 140;
pub const _SC_DEVICE_SPECIFIC: ::c_int = 141;
pub const _SC_DEVICE_SPECIFIC_R: ::c_int = 142;
pub const _SC_FD_MGMT: ::c_int = 143;
pub const _SC_FIFO: ::c_int = 144;
pub const _SC_PIPE: ::c_int = 145;
pub const _SC_FILE_ATTRIBUTES: ::c_int = 146;
pub const _SC_FILE_LOCKING: ::c_int = 147;
pub const _SC_FILE_SYSTEM: ::c_int = 148;
pub const _SC_MULTI_PROCESS: ::c_int = 150;
pub const _SC_SINGLE_PROCESS: ::c_int = 151;
pub const _SC_NETWORKING: ::c_int = 152;
pub const _SC_REGEX_VERSION: ::c_int = 156;
pub const _SC_SIGNALS: ::c_int = 158;
pub const _SC_SYSTEM_DATABASE: ::c_int = 162;
pub const _SC_SYSTEM_DATABASE_R: ::c_int = 163;
pub const _SC_USER_GROUPS: ::c_int = 166;
pub const _SC_USER_GROUPS_R: ::c_int = 167;
pub const _SC_LEVEL1_ICACHE_SIZE: ::c_int = 185;
pub const _SC_LEVEL1_ICACHE_ASSOC: ::c_int = 186;
pub const _SC_LEVEL1_ICACHE_LINESIZE: ::c_int = 187;
pub const _SC_LEVEL1_DCACHE_SIZE: ::c_int = 188;
pub const _SC_LEVEL1_DCACHE_ASSOC: ::c_int = 189;
pub const _SC_LEVEL1_DCACHE_LINESIZE: ::c_int = 190;
pub const _SC_LEVEL2_CACHE_SIZE: ::c_int = 191;
pub const _SC_LEVEL2_CACHE_ASSOC: ::c_int = 192;
pub const _SC_LEVEL2_CACHE_LINESIZE: ::c_int = 193;
pub const _SC_LEVEL3_CACHE_SIZE: ::c_int = 194;
pub const _SC_LEVEL3_CACHE_ASSOC: ::c_int = 195;
pub const _SC_LEVEL3_CACHE_LINESIZE: ::c_int = 196;
pub const _SC_LEVEL4_CACHE_SIZE: ::c_int = 197;
pub const _SC_LEVEL4_CACHE_ASSOC: ::c_int = 198;
pub const _SC_LEVEL4_CACHE_LINESIZE: ::c_int = 199;
pub const O_ACCMODE: ::c_int = 3;
pub const ST_RELATIME: ::c_ulong = 4096;
pub const NI_MAXHOST: ::socklen_t = 1025;

pub const ADFS_SUPER_MAGIC: ::c_long = 0x0000adf5;
pub const AFFS_SUPER_MAGIC: ::c_long = 0x0000adff;
pub const AFS_SUPER_MAGIC: ::c_long = 0x5346414f;
pub const AUTOFS_SUPER_MAGIC: ::c_long = 0x0187;
pub const BINDERFS_SUPER_MAGIC: ::c_long = 0x6c6f6f70;
pub const BTRFS_SUPER_MAGIC: ::c_long = 0x9123683e;
pub const CGROUP2_SUPER_MAGIC: ::c_long = 0x63677270;
pub const CGROUP_SUPER_MAGIC: ::c_long = 0x27e0eb;
pub const CODA_SUPER_MAGIC: ::c_long = 0x73757245;
pub const CRAMFS_MAGIC: ::c_long = 0x28cd3d45;
pub const DEVPTS_SUPER_MAGIC: ::c_long = 0x1cd1;
pub const ECRYPTFS_SUPER_MAGIC: ::c_long = 0xf15f;
pub const EFS_SUPER_MAGIC: ::c_long = 0x00414a53;
pub const EXT2_SUPER_MAGIC: ::c_long = 0x0000ef53;
pub const EXT3_SUPER_MAGIC: ::c_long = 0x0000ef53;
pub const EXT4_SUPER_MAGIC: ::c_long = 0x0000ef53;
pub const F2FS_SUPER_MAGIC: ::c_long = 0xf2f52010;
pub const FUTEXFS_SUPER_MAGIC: ::c_long = 0xbad1dea;
pub const HOSTFS_SUPER_MAGIC: ::c_long = 0x00c0ffee;
pub const HPFS_SUPER_MAGIC: ::c_long = 0xf995e849;
pub const HUGETLBFS_MAGIC: ::c_long = 0x958458f6;
pub const ISOFS_SUPER_MAGIC: ::c_long = 0x00009660;
pub const JFFS2_SUPER_MAGIC: ::c_long = 0x000072b6;
pub const MINIX2_SUPER_MAGIC2: ::c_long = 0x00002478;
pub const MINIX2_SUPER_MAGIC: ::c_long = 0x00002468;
pub const MINIX3_SUPER_MAGIC: ::c_long = 0x4d5a;
pub const MINIX_SUPER_MAGIC2: ::c_long = 0x0000138f;
pub const MINIX_SUPER_MAGIC: ::c_long = 0x0000137f;
pub const MSDOS_SUPER_MAGIC: ::c_long = 0x00004d44;
pub const NCP_SUPER_MAGIC: ::c_long = 0x0000564c;
pub const NFS_SUPER_MAGIC: ::c_long = 0x00006969;
pub const NILFS_SUPER_MAGIC: ::c_long = 0x3434;
pub const OCFS2_SUPER_MAGIC: ::c_long = 0x7461636f;
pub const OPENPROM_SUPER_MAGIC: ::c_long = 0x00009fa1;
pub const OVERLAYFS_SUPER_MAGIC: ::c_long = 0x794c7630;
pub const PROC_SUPER_MAGIC: ::c_long = 0x00009fa0;
pub const QNX4_SUPER_MAGIC: ::c_long = 0x0000002f;
pub const QNX6_SUPER_MAGIC: ::c_long = 0x68191122;
pub const RDTGROUP_SUPER_MAGIC: ::c_long = 0x7655821;
pub const REISERFS_SUPER_MAGIC: ::c_long = 0x52654973;
pub const SMB_SUPER_MAGIC: ::c_long = 0x0000517b;
pub const TMPFS_MAGIC: ::c_long = 0x01021994;
pub const UDF_SUPER_MAGIC: ::c_long = 0x15013346;
pub const USBDEVICE_SUPER_MAGIC: ::c_long = 0x00009fa2;
pub const XENFS_SUPER_MAGIC: ::c_long = 0xabba1974;
pub const XFS_SUPER_MAGIC: ::c_long = 0x58465342;

pub const CPU_SETSIZE: ::c_int = 0x400;

pub const PTRACE_TRACEME: ::c_uint = 0;
pub const PTRACE_PEEKTEXT: ::c_uint = 1;
pub const PTRACE_PEEKDATA: ::c_uint = 2;
pub const PTRACE_PEEKUSER: ::c_uint = 3;
pub const PTRACE_POKETEXT: ::c_uint = 4;
pub const PTRACE_POKEDATA: ::c_uint = 5;
pub const PTRACE_POKEUSER: ::c_uint = 6;
pub const PTRACE_CONT: ::c_uint = 7;
pub const PTRACE_KILL: ::c_uint = 8;
pub const PTRACE_SINGLESTEP: ::c_uint = 9;
pub const PTRACE_ATTACH: ::c_uint = 16;
pub const PTRACE_SYSCALL: ::c_uint = 24;
pub const PTRACE_SETOPTIONS: ::c_uint = 0x4200;
pub const PTRACE_GETEVENTMSG: ::c_uint = 0x4201;
pub const PTRACE_GETSIGINFO: ::c_uint = 0x4202;
pub const PTRACE_SETSIGINFO: ::c_uint = 0x4203;
pub const PTRACE_GETREGSET: ::c_uint = 0x4204;
pub const PTRACE_SETREGSET: ::c_uint = 0x4205;
pub const PTRACE_SEIZE: ::c_uint = 0x4206;
pub const PTRACE_INTERRUPT: ::c_uint = 0x4207;
pub const PTRACE_LISTEN: ::c_uint = 0x4208;
pub const PTRACE_PEEKSIGINFO: ::c_uint = 0x4209;

pub const EPOLLWAKEUP: ::c_int = 0x20000000;

pub const SEEK_DATA: ::c_int = 3;
pub const SEEK_HOLE: ::c_int = 4;

// linux/rtnetlink.h
pub const TCA_PAD: ::c_ushort = 9;
pub const TCA_DUMP_INVISIBLE: ::c_ushort = 10;
pub const TCA_CHAIN: ::c_ushort = 11;
pub const TCA_HW_OFFLOAD: ::c_ushort = 12;

pub const RTM_DELNETCONF: u16 = 81;
pub const RTM_NEWSTATS: u16 = 92;
pub const RTM_GETSTATS: u16 = 94;
pub const RTM_NEWCACHEREPORT: u16 = 96;

pub const RTM_F_LOOKUP_TABLE: ::c_uint = 0x1000;
pub const RTM_F_FIB_MATCH: ::c_uint = 0x2000;

pub const RTA_VIA: ::c_ushort = 18;
pub const RTA_NEWDST: ::c_ushort = 19;
pub const RTA_PREF: ::c_ushort = 20;
pub const RTA_ENCAP_TYPE: ::c_ushort = 21;
pub const RTA_ENCAP: ::c_ushort = 22;
pub const RTA_EXPIRES: ::c_ushort = 23;
pub const RTA_PAD: ::c_ushort = 24;
pub const RTA_UID: ::c_ushort = 25;
pub const RTA_TTL_PROPAGATE: ::c_ushort = 26;

// linux/neighbor.h
pub const NTF_EXT_LEARNED: u8 = 0x10;
pub const NTF_OFFLOADED: u8 = 0x20;

pub const NDA_MASTER: ::c_ushort = 9;
pub const NDA_LINK_NETNSID: ::c_ushort = 10;
pub const NDA_SRC_VNI: ::c_ushort = 11;

// linux/personality.h
pub const UNAME26: ::c_int = 0x0020000;
pub const FDPIC_FUNCPTRS: ::c_int = 0x0080000;

// linux/if_addr.h
pub const IFA_FLAGS: ::c_ushort = 8;

pub const IFA_F_MANAGETEMPADDR: u32 = 0x100;
pub const IFA_F_NOPREFIXROUTE: u32 = 0x200;
pub const IFA_F_MCAUTOJOIN: u32 = 0x400;
pub const IFA_F_STABLE_PRIVACY: u32 = 0x800;

pub const MAX_LINKS: ::c_int = 32;

pub const GENL_UNS_ADMIN_PERM: ::c_int = 0x10;

pub const GENL_ID_VFS_DQUOT: ::c_int = ::NLMSG_MIN_TYPE + 1;
pub const GENL_ID_PMCRAID: ::c_int = ::NLMSG_MIN_TYPE + 2;

pub const TIOCM_LE: ::c_int = 0x001;
pub const TIOCM_DTR: ::c_int = 0x002;
pub const TIOCM_RTS: ::c_int = 0x004;
pub const TIOCM_CD: ::c_int = TIOCM_CAR;
pub const TIOCM_RI: ::c_int = TIOCM_RNG;

pub const NF_NETDEV_INGRESS: ::c_int = 0;
pub const NF_NETDEV_NUMHOOKS: ::c_int = 1;

pub const NFPROTO_INET: ::c_int = 1;
pub const NFPROTO_NETDEV: ::c_int = 5;

// linux/keyctl.h
pub const KEYCTL_DH_COMPUTE: u32 = 23;
pub const KEYCTL_PKEY_QUERY: u32 = 24;
pub const KEYCTL_PKEY_ENCRYPT: u32 = 25;
pub const KEYCTL_PKEY_DECRYPT: u32 = 26;
pub const KEYCTL_PKEY_SIGN: u32 = 27;
pub const KEYCTL_PKEY_VERIFY: u32 = 28;
pub const KEYCTL_RESTRICT_KEYRING: u32 = 29;

pub const KEYCTL_SUPPORTS_ENCRYPT: u32 = 0x01;
pub const KEYCTL_SUPPORTS_DECRYPT: u32 = 0x02;
pub const KEYCTL_SUPPORTS_SIGN: u32 = 0x04;
pub const KEYCTL_SUPPORTS_VERIFY: u32 = 0x08;
cfg_if! {
    if #[cfg(not(any(target_arch="mips", target_arch="mips64")))] {
        pub const KEYCTL_MOVE: u32 = 30;
        pub const KEYCTL_CAPABILITIES: u32 = 31;

        pub const KEYCTL_CAPS0_CAPABILITIES: u32 = 0x01;
        pub const KEYCTL_CAPS0_PERSISTENT_KEYRINGS: u32 = 0x02;
        pub const KEYCTL_CAPS0_DIFFIE_HELLMAN: u32 = 0x04;
        pub const KEYCTL_CAPS0_PUBLIC_KEY: u32 = 0x08;
        pub const KEYCTL_CAPS0_BIG_KEY: u32 = 0x10;
        pub const KEYCTL_CAPS0_INVALIDATE: u32 = 0x20;
        pub const KEYCTL_CAPS0_RESTRICT_KEYRING: u32 = 0x40;
        pub const KEYCTL_CAPS0_MOVE: u32 = 0x80;
        pub const KEYCTL_CAPS1_NS_KEYRING_NAME: u32 = 0x01;
        pub const KEYCTL_CAPS1_NS_KEY_TAG: u32 = 0x02;
    }
}

// linux/netfilter/nf_tables.h
pub const NFT_TABLE_MAXNAMELEN: ::c_int = 256;
pub const NFT_CHAIN_MAXNAMELEN: ::c_int = 256;
pub const NFT_SET_MAXNAMELEN: ::c_int = 256;
pub const NFT_OBJ_MAXNAMELEN: ::c_int = 256;
pub const NFT_USERDATA_MAXLEN: ::c_int = 256;

pub const NFT_REG_VERDICT: ::c_int = 0;
pub const NFT_REG_1: ::c_int = 1;
pub const NFT_REG_2: ::c_int = 2;
pub const NFT_REG_3: ::c_int = 3;
pub const NFT_REG_4: ::c_int = 4;
pub const __NFT_REG_MAX: ::c_int = 5;
pub const NFT_REG32_00: ::c_int = 8;
pub const NFT_REG32_01: ::c_int = 9;
pub const NFT_REG32_02: ::c_int = 10;
pub const NFT_REG32_03: ::c_int = 11;
pub const NFT_REG32_04: ::c_int = 12;
pub const NFT_REG32_05: ::c_int = 13;
pub const NFT_REG32_06: ::c_int = 14;
pub const NFT_REG32_07: ::c_int = 15;
pub const NFT_REG32_08: ::c_int = 16;
pub const NFT_REG32_09: ::c_int = 17;
pub const NFT_REG32_10: ::c_int = 18;
pub const NFT_REG32_11: ::c_int = 19;
pub const NFT_REG32_12: ::c_int = 20;
pub const NFT_REG32_13: ::c_int = 21;
pub const NFT_REG32_14: ::c_int = 22;
pub const NFT_REG32_15: ::c_int = 23;

pub const NFT_REG_SIZE: ::c_int = 16;
pub const NFT_REG32_SIZE: ::c_int = 4;

pub const NFT_CONTINUE: ::c_int = -1;
pub const NFT_BREAK: ::c_int = -2;
pub const NFT_JUMP: ::c_int = -3;
pub const NFT_GOTO: ::c_int = -4;
pub const NFT_RETURN: ::c_int = -5;

pub const NFT_MSG_NEWTABLE: ::c_int = 0;
pub const NFT_MSG_GETTABLE: ::c_int = 1;
pub const NFT_MSG_DELTABLE: ::c_int = 2;
pub const NFT_MSG_NEWCHAIN: ::c_int = 3;
pub const NFT_MSG_GETCHAIN: ::c_int = 4;
pub const NFT_MSG_DELCHAIN: ::c_int = 5;
pub const NFT_MSG_NEWRULE: ::c_int = 6;
pub const NFT_MSG_GETRULE: ::c_int = 7;
pub const NFT_MSG_DELRULE: ::c_int = 8;
pub const NFT_MSG_NEWSET: ::c_int = 9;
pub const NFT_MSG_GETSET: ::c_int = 10;
pub const NFT_MSG_DELSET: ::c_int = 11;
pub const NFT_MSG_NEWSETELEM: ::c_int = 12;
pub const NFT_MSG_GETSETELEM: ::c_int = 13;
pub const NFT_MSG_DELSETELEM: ::c_int = 14;
pub const NFT_MSG_NEWGEN: ::c_int = 15;
pub const NFT_MSG_GETGEN: ::c_int = 16;
pub const NFT_MSG_TRACE: ::c_int = 17;
cfg_if! {
    if #[cfg(not(target_arch = "sparc64"))] {
        pub const NFT_MSG_NEWOBJ: ::c_int = 18;
        pub const NFT_MSG_GETOBJ: ::c_int = 19;
        pub const NFT_MSG_DELOBJ: ::c_int = 20;
        pub const NFT_MSG_GETOBJ_RESET: ::c_int = 21;
    }
}
pub const NFT_MSG_MAX: ::c_int = 25;

pub const NFT_SET_ANONYMOUS: ::c_int = 0x1;
pub const NFT_SET_CONSTANT: ::c_int = 0x2;
pub const NFT_SET_INTERVAL: ::c_int = 0x4;
pub const NFT_SET_MAP: ::c_int = 0x8;
pub const NFT_SET_TIMEOUT: ::c_int = 0x10;
pub const NFT_SET_EVAL: ::c_int = 0x20;

pub const NFT_SET_POL_PERFORMANCE: ::c_int = 0;
pub const NFT_SET_POL_MEMORY: ::c_int = 1;

pub const NFT_SET_ELEM_INTERVAL_END: ::c_int = 0x1;

pub const NFT_DATA_VALUE: ::c_uint = 0;
pub const NFT_DATA_VERDICT: ::c_uint = 0xffffff00;

pub const NFT_DATA_RESERVED_MASK: ::c_uint = 0xffffff00;

pub const NFT_DATA_VALUE_MAXLEN: ::c_int = 64;

pub const NFT_BYTEORDER_NTOH: ::c_int = 0;
pub const NFT_BYTEORDER_HTON: ::c_int = 1;

pub const NFT_CMP_EQ: ::c_int = 0;
pub const NFT_CMP_NEQ: ::c_int = 1;
pub const NFT_CMP_LT: ::c_int = 2;
pub const NFT_CMP_LTE: ::c_int = 3;
pub const NFT_CMP_GT: ::c_int = 4;
pub const NFT_CMP_GTE: ::c_int = 5;

pub const NFT_RANGE_EQ: ::c_int = 0;
pub const NFT_RANGE_NEQ: ::c_int = 1;

pub const NFT_LOOKUP_F_INV: ::c_int = 1 << 0;

pub const NFT_DYNSET_OP_ADD: ::c_int = 0;
pub const NFT_DYNSET_OP_UPDATE: ::c_int = 1;

pub const NFT_DYNSET_F_INV: ::c_int = 1 << 0;

pub const NFT_PAYLOAD_LL_HEADER: ::c_int = 0;
pub const NFT_PAYLOAD_NETWORK_HEADER: ::c_int = 1;
pub const NFT_PAYLOAD_TRANSPORT_HEADER: ::c_int = 2;

pub const NFT_PAYLOAD_CSUM_NONE: ::c_int = 0;
pub const NFT_PAYLOAD_CSUM_INET: ::c_int = 1;

pub const NFT_META_LEN: ::c_int = 0;
pub const NFT_META_PROTOCOL: ::c_int = 1;
pub const NFT_META_PRIORITY: ::c_int = 2;
pub const NFT_META_MARK: ::c_int = 3;
pub const NFT_META_IIF: ::c_int = 4;
pub const NFT_META_OIF: ::c_int = 5;
pub const NFT_META_IIFNAME: ::c_int = 6;
pub const NFT_META_OIFNAME: ::c_int = 7;
pub const NFT_META_IIFTYPE: ::c_int = 8;
pub const NFT_META_OIFTYPE: ::c_int = 9;
pub const NFT_META_SKUID: ::c_int = 10;
pub const NFT_META_SKGID: ::c_int = 11;
pub const NFT_META_NFTRACE: ::c_int = 12;
pub const NFT_META_RTCLASSID: ::c_int = 13;
pub const NFT_META_SECMARK: ::c_int = 14;
pub const NFT_META_NFPROTO: ::c_int = 15;
pub const NFT_META_L4PROTO: ::c_int = 16;
pub const NFT_META_BRI_IIFNAME: ::c_int = 17;
pub const NFT_META_BRI_OIFNAME: ::c_int = 18;
pub const NFT_META_PKTTYPE: ::c_int = 19;
pub const NFT_META_CPU: ::c_int = 20;
pub const NFT_META_IIFGROUP: ::c_int = 21;
pub const NFT_META_OIFGROUP: ::c_int = 22;
pub const NFT_META_CGROUP: ::c_int = 23;
pub const NFT_META_PRANDOM: ::c_int = 24;

pub const NFT_CT_STATE: ::c_int = 0;
pub const NFT_CT_DIRECTION: ::c_int = 1;
pub const NFT_CT_STATUS: ::c_int = 2;
pub const NFT_CT_MARK: ::c_int = 3;
pub const NFT_CT_SECMARK: ::c_int = 4;
pub const NFT_CT_EXPIRATION: ::c_int = 5;
pub const NFT_CT_HELPER: ::c_int = 6;
pub const NFT_CT_L3PROTOCOL: ::c_int = 7;
pub const NFT_CT_SRC: ::c_int = 8;
pub const NFT_CT_DST: ::c_int = 9;
pub const NFT_CT_PROTOCOL: ::c_int = 10;
pub const NFT_CT_PROTO_SRC: ::c_int = 11;
pub const NFT_CT_PROTO_DST: ::c_int = 12;
pub const NFT_CT_LABELS: ::c_int = 13;
pub const NFT_CT_PKTS: ::c_int = 14;
pub const NFT_CT_BYTES: ::c_int = 15;

pub const NFT_LIMIT_PKTS: ::c_int = 0;
pub const NFT_LIMIT_PKT_BYTES: ::c_int = 1;

pub const NFT_LIMIT_F_INV: ::c_int = 1 << 0;

pub const NFT_QUEUE_FLAG_BYPASS: ::c_int = 0x01;
pub const NFT_QUEUE_FLAG_CPU_FANOUT: ::c_int = 0x02;
pub const NFT_QUEUE_FLAG_MASK: ::c_int = 0x03;

pub const NFT_QUOTA_F_INV: ::c_int = 1 << 0;

pub const NFT_REJECT_ICMP_UNREACH: ::c_int = 0;
pub const NFT_REJECT_TCP_RST: ::c_int = 1;
pub const NFT_REJECT_ICMPX_UNREACH: ::c_int = 2;

pub const NFT_REJECT_ICMPX_NO_ROUTE: ::c_int = 0;
pub const NFT_REJECT_ICMPX_PORT_UNREACH: ::c_int = 1;
pub const NFT_REJECT_ICMPX_HOST_UNREACH: ::c_int = 2;
pub const NFT_REJECT_ICMPX_ADMIN_PROHIBITED: ::c_int = 3;

pub const NFT_NAT_SNAT: ::c_int = 0;
pub const NFT_NAT_DNAT: ::c_int = 1;

pub const NFT_TRACETYPE_UNSPEC: ::c_int = 0;
pub const NFT_TRACETYPE_POLICY: ::c_int = 1;
pub const NFT_TRACETYPE_RETURN: ::c_int = 2;
pub const NFT_TRACETYPE_RULE: ::c_int = 3;

pub const NFT_NG_INCREMENTAL: ::c_int = 0;
pub const NFT_NG_RANDOM: ::c_int = 1;

pub const M_MXFAST: ::c_int = 1;
pub const M_NLBLKS: ::c_int = 2;
pub const M_GRAIN: ::c_int = 3;
pub const M_KEEP: ::c_int = 4;
pub const M_TRIM_THRESHOLD: ::c_int = -1;
pub const M_TOP_PAD: ::c_int = -2;
pub const M_MMAP_THRESHOLD: ::c_int = -3;
pub const M_MMAP_MAX: ::c_int = -4;
pub const M_CHECK_ACTION: ::c_int = -5;
pub const M_PERTURB: ::c_int = -6;
pub const M_ARENA_TEST: ::c_int = -7;
pub const M_ARENA_MAX: ::c_int = -8;

pub const AT_STATX_SYNC_TYPE: ::c_int = 0x6000;
pub const AT_STATX_SYNC_AS_STAT: ::c_int = 0x0000;
pub const AT_STATX_FORCE_SYNC: ::c_int = 0x2000;
pub const AT_STATX_DONT_SYNC: ::c_int = 0x4000;
pub const STATX_TYPE: ::c_uint = 0x0001;
pub const STATX_MODE: ::c_uint = 0x0002;
pub const STATX_NLINK: ::c_uint = 0x0004;
pub const STATX_UID: ::c_uint = 0x0008;
pub const STATX_GID: ::c_uint = 0x0010;
pub const STATX_ATIME: ::c_uint = 0x0020;
pub const STATX_MTIME: ::c_uint = 0x0040;
pub const STATX_CTIME: ::c_uint = 0x0080;
pub const STATX_INO: ::c_uint = 0x0100;
pub const STATX_SIZE: ::c_uint = 0x0200;
pub const STATX_BLOCKS: ::c_uint = 0x0400;
pub const STATX_BASIC_STATS: ::c_uint = 0x07ff;
pub const STATX_BTIME: ::c_uint = 0x0800;
pub const STATX_ALL: ::c_uint = 0x0fff;
pub const STATX__RESERVED: ::c_int = 0x80000000;
pub const STATX_ATTR_COMPRESSED: ::c_int = 0x0004;
pub const STATX_ATTR_IMMUTABLE: ::c_int = 0x0010;
pub const STATX_ATTR_APPEND: ::c_int = 0x0020;
pub const STATX_ATTR_NODUMP: ::c_int = 0x0040;
pub const STATX_ATTR_ENCRYPTED: ::c_int = 0x0800;
pub const STATX_ATTR_AUTOMOUNT: ::c_int = 0x1000;

// sys/auxv.h
pub const AT_NULL: ::c_ulong = 0;
pub const AT_IGNORE: ::c_ulong = 1;
pub const AT_EXECFD: ::c_ulong = 2;
pub const AT_PHDR: ::c_ulong = 3;
pub const AT_PHENT: ::c_ulong = 4;
pub const AT_PHNUM: ::c_ulong = 5;
pub const AT_PAGESZ: ::c_ulong = 6;
pub const AT_BASE: ::c_ulong = 7;
pub const AT_FLAGS: ::c_ulong = 8;
pub const AT_ENTRY: ::c_ulong = 9;
pub const AT_NOTELF: ::c_ulong = 10;
pub const AT_UID: ::c_ulong = 11;
pub const AT_EUID: ::c_ulong = 12;
pub const AT_GID: ::c_ulong = 13;
pub const AT_EGID: ::c_ulong = 14;
pub const AT_PLATFORM: ::c_ulong = 15;
pub const AT_HWCAP: ::c_ulong = 16;
pub const AT_CLKTCK: ::c_ulong = 17;
// AT_* values 18 through 22 are reserved
pub const AT_SECURE: ::c_ulong = 23;
pub const AT_BASE_PLATFORM: ::c_ulong = 24;
pub const AT_RANDOM: ::c_ulong = 25;
pub const AT_HWCAP2: ::c_ulong = 26;

pub const AT_EXECFN: ::c_ulong = 31;

//sys/timex.h
pub const ADJ_OFFSET: ::c_uint = 0x0001;
pub const ADJ_FREQUENCY: ::c_uint = 0x0002;
pub const ADJ_MAXERROR: ::c_uint = 0x0004;
pub const ADJ_ESTERROR: ::c_uint = 0x0008;
pub const ADJ_STATUS: ::c_uint = 0x0010;
pub const ADJ_TIMECONST: ::c_uint = 0x0020;
pub const ADJ_TAI: ::c_uint = 0x0080;
pub const ADJ_SETOFFSET: ::c_uint = 0x0100;
pub const ADJ_MICRO: ::c_uint = 0x1000;
pub const ADJ_NANO: ::c_uint = 0x2000;
pub const ADJ_TICK: ::c_uint = 0x4000;
pub const ADJ_OFFSET_SINGLESHOT: ::c_uint = 0x8001;
pub const ADJ_OFFSET_SS_READ: ::c_uint = 0xa001;
pub const MOD_OFFSET: ::c_uint = ADJ_OFFSET;
pub const MOD_FREQUENCY: ::c_uint = ADJ_FREQUENCY;
pub const MOD_MAXERROR: ::c_uint = ADJ_MAXERROR;
pub const MOD_ESTERROR: ::c_uint = ADJ_ESTERROR;
pub const MOD_STATUS: ::c_uint = ADJ_STATUS;
pub const MOD_TIMECONST: ::c_uint = ADJ_TIMECONST;
pub const MOD_CLKB: ::c_uint = ADJ_TICK;
pub const MOD_CLKA: ::c_uint = ADJ_OFFSET_SINGLESHOT;
pub const MOD_TAI: ::c_uint = ADJ_TAI;
pub const MOD_MICRO: ::c_uint = ADJ_MICRO;
pub const MOD_NANO: ::c_uint = ADJ_NANO;
pub const STA_PLL: ::c_int = 0x0001;
pub const STA_PPSFREQ: ::c_int = 0x0002;
pub const STA_PPSTIME: ::c_int = 0x0004;
pub const STA_FLL: ::c_int = 0x0008;
pub const STA_INS: ::c_int = 0x0010;
pub const STA_DEL: ::c_int = 0x0020;
pub const STA_UNSYNC: ::c_int = 0x0040;
pub const STA_FREQHOLD: ::c_int = 0x0080;
pub const STA_PPSSIGNAL: ::c_int = 0x0100;
pub const STA_PPSJITTER: ::c_int = 0x0200;
pub const STA_PPSWANDER: ::c_int = 0x0400;
pub const STA_PPSERROR: ::c_int = 0x0800;
pub const STA_CLOCKERR: ::c_int = 0x1000;
pub const STA_NANO: ::c_int = 0x2000;
pub const STA_MODE: ::c_int = 0x4000;
pub const STA_CLK: ::c_int = 0x8000;
pub const STA_RONLY: ::c_int = STA_PPSSIGNAL
    | STA_PPSJITTER
    | STA_PPSWANDER
    | STA_PPSERROR
    | STA_CLOCKERR
    | STA_NANO
    | STA_MODE
    | STA_CLK;
pub const NTP_API: ::c_int = 4;
pub const TIME_OK: ::c_int = 0;
pub const TIME_INS: ::c_int = 1;
pub const TIME_DEL: ::c_int = 2;
pub const TIME_OOP: ::c_int = 3;
pub const TIME_WAIT: ::c_int = 4;
pub const TIME_ERROR: ::c_int = 5;
pub const TIME_BAD: ::c_int = TIME_ERROR;
pub const MAXTC: ::c_long = 6;

cfg_if! {
    if #[cfg(any(
        target_arch = "arm",
        target_arch = "x86",
        target_arch = "x86_64",
        target_arch = "s390x",
        target_arch = "riscv64",
        target_arch = "riscv32"
    ))] {
        pub const PTHREAD_STACK_MIN: ::size_t = 16384;
    } else if #[cfg(any(
               target_arch = "sparc",
               target_arch = "sparc64"
           ))] {
        pub const PTHREAD_STACK_MIN: ::size_t = 0x6000;
    } else {
        pub const PTHREAD_STACK_MIN: ::size_t = 131072;
    }
}
pub const PTHREAD_MUTEX_ADAPTIVE_NP: ::c_int = 3;

pub const REG_STARTEND: ::c_int = 4;

pub const REG_EEND: ::c_int = 14;
pub const REG_ESIZE: ::c_int = 15;
pub const REG_ERPAREN: ::c_int = 16;

extern "C" {
    pub fn fgetspent_r(
        fp: *mut ::FILE,
        spbuf: *mut ::spwd,
        buf: *mut ::c_char,
        buflen: ::size_t,
        spbufp: *mut *mut ::spwd,
    ) -> ::c_int;
    pub fn sgetspent_r(
        s: *const ::c_char,
        spbuf: *mut ::spwd,
        buf: *mut ::c_char,
        buflen: ::size_t,
        spbufp: *mut *mut ::spwd,
    ) -> ::c_int;
    pub fn getspent_r(
        spbuf: *mut ::spwd,
        buf: *mut ::c_char,
        buflen: ::size_t,
        spbufp: *mut *mut ::spwd,
    ) -> ::c_int;
    pub fn qsort_r(
        base: *mut ::c_void,
        num: ::size_t,
        size: ::size_t,
        compar: ::Option<
            unsafe extern "C" fn(
                *const ::c_void,
                *const ::c_void,
                *mut ::c_void,
            ) -> ::c_int,
        >,
        arg: *mut ::c_void,
    );
    pub fn sendmmsg(
        sockfd: ::c_int,
        msgvec: *mut ::mmsghdr,
        vlen: ::c_uint,
        flags: ::c_int,
    ) -> ::c_int;
    pub fn recvmmsg(
        sockfd: ::c_int,
        msgvec: *mut ::mmsghdr,
        vlen: ::c_uint,
        flags: ::c_int,
        timeout: *mut ::timespec,
    ) -> ::c_int;

    pub fn getrlimit64(
        resource: ::__rlimit_resource_t,
        rlim: *mut ::rlimit64,
    ) -> ::c_int;
    pub fn setrlimit64(
        resource: ::__rlimit_resource_t,
        rlim: *const ::rlimit64,
    ) -> ::c_int;
    pub fn getrlimit(
        resource: ::__rlimit_resource_t,
        rlim: *mut ::rlimit,
    ) -> ::c_int;
    pub fn setrlimit(
        resource: ::__rlimit_resource_t,
        rlim: *const ::rlimit,
    ) -> ::c_int;
    pub fn prlimit(
        pid: ::pid_t,
        resource: ::__rlimit_resource_t,
        new_limit: *const ::rlimit,
        old_limit: *mut ::rlimit,
    ) -> ::c_int;
    pub fn prlimit64(
        pid: ::pid_t,
        resource: ::__rlimit_resource_t,
        new_limit: *const ::rlimit64,
        old_limit: *mut ::rlimit64,
    ) -> ::c_int;
    pub fn utmpname(file: *const ::c_char) -> ::c_int;
    pub fn utmpxname(file: *const ::c_char) -> ::c_int;
    pub fn getutxent() -> *mut utmpx;
    pub fn getutxid(ut: *const utmpx) -> *mut utmpx;
    pub fn getutxline(ut: *const utmpx) -> *mut utmpx;
    pub fn pututxline(ut: *const utmpx) -> *mut utmpx;
    pub fn setutxent();
    pub fn endutxent();
    pub fn getpt() -> ::c_int;
    pub fn mallopt(param: ::c_int, value: ::c_int) -> ::c_int;
    pub fn gettimeofday(tp: *mut ::timeval, tz: *mut ::timezone) -> ::c_int;
    pub fn statx(
        dirfd: ::c_int,
        pathname: *const c_char,
        flags: ::c_int,
        mask: ::c_uint,
        statxbuf: *mut statx,
    ) -> ::c_int;
    pub fn getrandom(
        buf: *mut ::c_void,
        buflen: ::size_t,
        flags: ::c_uint,
    ) -> ::ssize_t;

    pub fn memmem(
        haystack: *const ::c_void,
        haystacklen: ::size_t,
        needle: *const ::c_void,
        needlelen: ::size_t,
    ) -> *mut ::c_void;
    pub fn getauxval(type_: ::c_ulong) -> ::c_ulong;

    pub fn adjtimex(buf: *mut timex) -> ::c_int;
    pub fn ntp_adjtime(buf: *mut timex) -> ::c_int;
    #[link_name = "ntp_gettimex"]
    pub fn ntp_gettime(buf: *mut ntptimeval) -> ::c_int;
    pub fn copy_file_range(
        fd_in: ::c_int,
        off_in: *mut ::off64_t,
        fd_out: ::c_int,
        off_out: *mut ::off64_t,
        len: ::size_t,
        flags: ::c_uint,
    ) -> ::ssize_t;
    pub fn fanotify_mark(
        fd: ::c_int,
        flags: ::c_uint,
        mask: u64,
        dirfd: ::c_int,
        path: *const ::c_char,
    ) -> ::c_int;
}

extern "C" {
    pub fn ioctl(fd: ::c_int, request: ::c_ulong, ...) -> ::c_int;
    pub fn backtrace(buf: *mut *mut ::c_void, sz: ::c_int) -> ::c_int;
    pub fn glob64(
        pattern: *const ::c_char,
        flags: ::c_int,
        errfunc: ::Option<
            extern "C" fn(epath: *const ::c_char, errno: ::c_int) -> ::c_int,
        >,
        pglob: *mut glob64_t,
    ) -> ::c_int;
    pub fn globfree64(pglob: *mut glob64_t);
    pub fn ptrace(request: ::c_uint, ...) -> ::c_long;
    pub fn pthread_attr_getaffinity_np(
        attr: *const ::pthread_attr_t,
        cpusetsize: ::size_t,
        cpuset: *mut ::cpu_set_t,
    ) -> ::c_int;
    pub fn pthread_attr_setaffinity_np(
        attr: *mut ::pthread_attr_t,
        cpusetsize: ::size_t,
        cpuset: *const ::cpu_set_t,
    ) -> ::c_int;
    pub fn getpriority(which: ::__priority_which_t, who: ::id_t) -> ::c_int;
    pub fn setpriority(
        which: ::__priority_which_t,
        who: ::id_t,
        prio: ::c_int,
    ) -> ::c_int;
    pub fn pthread_getaffinity_np(
        thread: ::pthread_t,
        cpusetsize: ::size_t,
        cpuset: *mut ::cpu_set_t,
    ) -> ::c_int;
    pub fn pthread_setaffinity_np(
        thread: ::pthread_t,
        cpusetsize: ::size_t,
        cpuset: *const ::cpu_set_t,
    ) -> ::c_int;
    pub fn pthread_rwlockattr_getkind_np(
        attr: *const ::pthread_rwlockattr_t,
        val: *mut ::c_int,
    ) -> ::c_int;
    pub fn pthread_rwlockattr_setkind_np(
        attr: *mut ::pthread_rwlockattr_t,
        val: ::c_int,
    ) -> ::c_int;
    pub fn sched_getcpu() -> ::c_int;
    pub fn mallinfo() -> ::mallinfo;
    pub fn malloc_usable_size(ptr: *mut ::c_void) -> ::size_t;
    pub fn getpwent_r(
        pwd: *mut ::passwd,
        buf: *mut ::c_char,
        buflen: ::size_t,
        result: *mut *mut ::passwd,
    ) -> ::c_int;
    pub fn getgrent_r(
        grp: *mut ::group,
        buf: *mut ::c_char,
        buflen: ::size_t,
        result: *mut *mut ::group,
    ) -> ::c_int;
    pub fn pthread_getname_np(
        thread: ::pthread_t,
        name: *mut ::c_char,
        len: ::size_t,
    ) -> ::c_int;
    pub fn pthread_setname_np(
        thread: ::pthread_t,
        name: *const ::c_char,
    ) -> ::c_int;
}

extern "C" {
    pub fn dlmopen(
        lmid: Lmid_t,
        filename: *const ::c_char,
        flag: ::c_int,
    ) -> *mut ::c_void;
    pub fn dlinfo(
        handle: *mut ::c_void,
        request: ::c_int,
        info: *mut ::c_void,
    ) -> ::c_int;
}

cfg_if! {
    if #[cfg(any(target_arch = "x86",
                 target_arch = "arm",
                 target_arch = "mips",
                 target_arch = "powerpc",
                 target_arch = "sparc",
                 target_arch = "riscv32"))] {
        mod b32;
        pub use self::b32::*;
    } else if #[cfg(any(target_arch = "x86_64",
                        target_arch = "aarch64",
                        target_arch = "powerpc64",
                        target_arch = "mips64",
                        target_arch = "s390x",
                        target_arch = "sparc64",
                        target_arch = "riscv64"))] {
        mod b64;
        pub use self::b64::*;
    } else {
        // Unknown target_arch
    }
}

cfg_if! {
    if #[cfg(libc_align)] {
        mod align;
        pub use self::align::*;
    } else {
        mod no_align;
        pub use self::no_align::*;
    }
}