diff --git a/poky/meta/recipes-devtools/rust/libstd-rs/0007-FIXUP-Correct-definitions-to-match-musl.patch b/poky/meta/recipes-devtools/rust/libstd-rs/0007-FIXUP-Correct-definitions-to-match-musl.patch
new file mode 100644
index 0000000..211d2e2
--- /dev/null
+++ b/poky/meta/recipes-devtools/rust/libstd-rs/0007-FIXUP-Correct-definitions-to-match-musl.patch
@@ -0,0 +1,683 @@
+From 9d240d05c6e6620f36e4ddbcbcb5862fb3269d9f Mon Sep 17 00:00:00 2001
+From: Ralf Anton Beier <ralf_beier@me.com>
+Date: Sun, 8 Aug 2021 11:09:17 +0200
+Subject: [PATCH 7/8] FIXUP Correct definitions to match musl
+
+https://github.com/rust-lang/libc/pull/1994/commits/5f6a4d9745c79c81be63c708515ab116786554a3
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+Signed-off-by: Ralf Anton Beier <ralf_beier@me.com>
+---
+ .../linux_like/linux/musl/b64/riscv64/mod.rs  | 708 ++++++++----------
+ 1 file changed, 311 insertions(+), 397 deletions(-)
+
+--- a/vendor/libc/src/unix/linux_like/linux/musl/b64/riscv64/mod.rs
++++ b/vendor/libc/src/unix/linux_like/linux/musl/b64/riscv64/mod.rs
+@@ -191,351 +191,8 @@ s! {
+         pub l_len: ::off64_t,
+         pub l_pid: ::pid_t,
+     }
+-
+-    pub struct ip_mreqn {
+-        pub imr_multiaddr: ::in_addr,
+-        pub imr_address: ::in_addr,
+-        pub imr_ifindex: ::c_int,
+-    }
+ }
+ 
+-pub const POSIX_FADV_DONTNEED: ::c_int = 4;
+-pub const POSIX_FADV_NOREUSE: ::c_int = 5;
+-pub const VEOF: usize = 4;
+-pub const RTLD_DEEPBIND: ::c_int = 0x8;
+-pub const RTLD_GLOBAL: ::c_int = 0x100;
+-pub const RTLD_NOLOAD: ::c_int = 0x4;
+-pub const TIOCGSOFTCAR: ::c_ulong = 21529;
+-pub const TIOCSSOFTCAR: ::c_ulong = 21530;
+-pub const TIOCGRS485: ::c_int = 21550;
+-pub const TIOCSRS485: ::c_int = 21551;
+-pub const RLIMIT_RSS: ::__rlimit_resource_t = 5;
+-pub const RLIMIT_AS: ::__rlimit_resource_t = 9;
+-pub const RLIMIT_MEMLOCK: ::__rlimit_resource_t = 8;
+-pub const RLIMIT_NOFILE: ::__rlimit_resource_t = 7;
+-pub const RLIMIT_NPROC: ::__rlimit_resource_t = 6;
+-pub const O_APPEND: ::c_int = 1024;
+-pub const O_CREAT: ::c_int = 64;
+-pub const O_EXCL: ::c_int = 128;
+-pub const O_NOCTTY: ::c_int = 256;
+-pub const O_NONBLOCK: ::c_int = 2048;
+-pub const O_SYNC: ::c_int = 1052672;
+-pub const O_RSYNC: ::c_int = 1052672;
+-pub const O_DSYNC: ::c_int = 4096;
+-pub const O_FSYNC: ::c_int = 1052672;
+-pub const O_NOATIME: ::c_int = 262144;
+-pub const O_PATH: ::c_int = 2097152;
+-pub const O_TMPFILE: ::c_int = 4259840;
+-pub const MAP_GROWSDOWN: ::c_int = 256;
+-pub const EDEADLK: ::c_int = 35;
+-pub const ENAMETOOLONG: ::c_int = 36;
+-pub const ENOLCK: ::c_int = 37;
+-pub const ENOSYS: ::c_int = 38;
+-pub const ENOTEMPTY: ::c_int = 39;
+-pub const ELOOP: ::c_int = 40;
+-pub const ENOMSG: ::c_int = 42;
+-pub const EIDRM: ::c_int = 43;
+-pub const ECHRNG: ::c_int = 44;
+-pub const EL2NSYNC: ::c_int = 45;
+-pub const EL3HLT: ::c_int = 46;
+-pub const EL3RST: ::c_int = 47;
+-pub const ELNRNG: ::c_int = 48;
+-pub const EUNATCH: ::c_int = 49;
+-pub const ENOCSI: ::c_int = 50;
+-pub const EL2HLT: ::c_int = 51;
+-pub const EBADE: ::c_int = 52;
+-pub const EBADR: ::c_int = 53;
+-pub const EXFULL: ::c_int = 54;
+-pub const ENOANO: ::c_int = 55;
+-pub const EBADRQC: ::c_int = 56;
+-pub const EBADSLT: ::c_int = 57;
+-pub const EMULTIHOP: ::c_int = 72;
+-pub const EOVERFLOW: ::c_int = 75;
+-pub const ENOTUNIQ: ::c_int = 76;
+-pub const EBADFD: ::c_int = 77;
+-pub const EBADMSG: ::c_int = 74;
+-pub const EREMCHG: ::c_int = 78;
+-pub const ELIBACC: ::c_int = 79;
+-pub const ELIBBAD: ::c_int = 80;
+-pub const ELIBSCN: ::c_int = 81;
+-pub const ELIBMAX: ::c_int = 82;
+-pub const ELIBEXEC: ::c_int = 83;
+-pub const EILSEQ: ::c_int = 84;
+-pub const ERESTART: ::c_int = 85;
+-pub const ESTRPIPE: ::c_int = 86;
+-pub const EUSERS: ::c_int = 87;
+-pub const ENOTSOCK: ::c_int = 88;
+-pub const EDESTADDRREQ: ::c_int = 89;
+-pub const EMSGSIZE: ::c_int = 90;
+-pub const EPROTOTYPE: ::c_int = 91;
+-pub const ENOPROTOOPT: ::c_int = 92;
+-pub const EPROTONOSUPPORT: ::c_int = 93;
+-pub const ESOCKTNOSUPPORT: ::c_int = 94;
+-pub const EOPNOTSUPP: ::c_int = 95;
+-pub const EPFNOSUPPORT: ::c_int = 96;
+-pub const EAFNOSUPPORT: ::c_int = 97;
+-pub const EADDRINUSE: ::c_int = 98;
+-pub const EADDRNOTAVAIL: ::c_int = 99;
+-pub const ENETDOWN: ::c_int = 100;
+-pub const ENETUNREACH: ::c_int = 101;
+-pub const ENETRESET: ::c_int = 102;
+-pub const ECONNABORTED: ::c_int = 103;
+-pub const ECONNRESET: ::c_int = 104;
+-pub const ENOBUFS: ::c_int = 105;
+-pub const EISCONN: ::c_int = 106;
+-pub const ENOTCONN: ::c_int = 107;
+-pub const ESHUTDOWN: ::c_int = 108;
+-pub const ETOOMANYREFS: ::c_int = 109;
+-pub const ETIMEDOUT: ::c_int = 110;
+-pub const ECONNREFUSED: ::c_int = 111;
+-pub const EHOSTDOWN: ::c_int = 112;
+-pub const EHOSTUNREACH: ::c_int = 113;
+-pub const EALREADY: ::c_int = 114;
+-pub const EINPROGRESS: ::c_int = 115;
+-pub const ESTALE: ::c_int = 116;
+-pub const EDQUOT: ::c_int = 122;
+-pub const ENOMEDIUM: ::c_int = 123;
+-pub const EMEDIUMTYPE: ::c_int = 124;
+-pub const ECANCELED: ::c_int = 125;
+-pub const ENOKEY: ::c_int = 126;
+-pub const EKEYEXPIRED: ::c_int = 127;
+-pub const EKEYREVOKED: ::c_int = 128;
+-pub const EKEYREJECTED: ::c_int = 129;
+-pub const EOWNERDEAD: ::c_int = 130;
+-pub const ENOTRECOVERABLE: ::c_int = 131;
+-pub const EHWPOISON: ::c_int = 133;
+-pub const ERFKILL: ::c_int = 132;
+-
+-pub const SOCK_STREAM: ::c_int = 1;
+-pub const SOCK_DGRAM: ::c_int = 2;
+-pub const SA_ONSTACK: ::c_int = 134217728;
+-pub const SA_SIGINFO: ::c_int = 4;
+-pub const SA_NOCLDWAIT: ::c_int = 2;
+-pub const SIGTTIN: ::c_int = 21;
+-pub const SIGTTOU: ::c_int = 22;
+-pub const SIGXCPU: ::c_int = 24;
+-pub const SIGXFSZ: ::c_int = 25;
+-pub const SIGVTALRM: ::c_int = 26;
+-pub const SIGPROF: ::c_int = 27;
+-pub const SIGWINCH: ::c_int = 28;
+-pub const SIGCHLD: ::c_int = 17;
+-pub const SIGBUS: ::c_int = 7;
+-pub const SIGUSR1: ::c_int = 10;
+-pub const SIGUSR2: ::c_int = 12;
+-pub const SIGCONT: ::c_int = 18;
+-pub const SIGSTOP: ::c_int = 19;
+-pub const SIGTSTP: ::c_int = 20;
+-pub const SIGURG: ::c_int = 23;
+-pub const SIGIO: ::c_int = 29;
+-pub const SIGSYS: ::c_int = 31;
+-pub const SIGSTKFLT: ::c_int = 16;
+-pub const SIGPOLL: ::c_int = 29;
+-pub const SIGPWR: ::c_int = 30;
+-pub const SIG_SETMASK: ::c_int = 2;
+-pub const SIG_BLOCK: ::c_int = 0;
+-pub const SIG_UNBLOCK: ::c_int = 1;
+-pub const POLLWRNORM: ::c_short = 256;
+-pub const POLLWRBAND: ::c_short = 512;
+-pub const O_ASYNC: ::c_int = 8192;
+-pub const O_NDELAY: ::c_int = 2048;
+-pub const PTRACE_DETACH: ::c_uint = 17;
+-pub const EFD_NONBLOCK: ::c_int = 2048;
+-pub const F_GETLK: ::c_int = 5;
+-pub const F_GETOWN: ::c_int = 9;
+-pub const F_SETOWN: ::c_int = 8;
+-pub const F_SETLK: ::c_int = 6;
+-pub const F_SETLKW: ::c_int = 7;
+-pub const F_RDLCK: ::c_int = 0;
+-pub const F_WRLCK: ::c_int = 1;
+-pub const F_UNLCK: ::c_int = 2;
+-pub const F_OFD_GETLK: ::c_int = 36;
+-pub const F_OFD_SETLK: ::c_int = 37;
+-pub const F_OFD_SETLKW: ::c_int = 38;
+-pub const SFD_NONBLOCK: ::c_int = 2048;
+-pub const TCSANOW: ::c_int = 0;
+-pub const TCSADRAIN: ::c_int = 1;
+-pub const TCSAFLUSH: ::c_int = 2;
+-pub const TIOCLINUX: ::c_ulong = 21532;
+-pub const TIOCGSERIAL: ::c_ulong = 21534;
+-pub const TIOCEXCL: ::c_ulong = 21516;
+-pub const TIOCNXCL: ::c_ulong = 21517;
+-pub const TIOCSCTTY: ::c_ulong = 21518;
+-pub const TIOCSTI: ::c_ulong = 21522;
+-pub const TIOCMGET: ::c_ulong = 21525;
+-pub const TIOCMBIS: ::c_ulong = 21526;
+-pub const TIOCMBIC: ::c_ulong = 21527;
+-pub const TIOCMSET: ::c_ulong = 21528;
+-pub const TIOCCONS: ::c_ulong = 21533;
+-pub const TIOCM_ST: ::c_int = 8;
+-pub const TIOCM_SR: ::c_int = 16;
+-pub const TIOCM_CTS: ::c_int = 32;
+-pub const TIOCM_CAR: ::c_int = 64;
+-pub const TIOCM_RNG: ::c_int = 128;
+-pub const TIOCM_DSR: ::c_int = 256;
+-pub const SFD_CLOEXEC: ::c_int = 524288;
+-pub const NCCS: usize = 32;
+-pub const O_TRUNC: ::c_int = 512;
+-pub const O_CLOEXEC: ::c_int = 524288;
+-pub const EBFONT: ::c_int = 59;
+-pub const ENOSTR: ::c_int = 60;
+-pub const ENODATA: ::c_int = 61;
+-pub const ETIME: ::c_int = 62;
+-pub const ENOSR: ::c_int = 63;
+-pub const ENONET: ::c_int = 64;
+-pub const ENOPKG: ::c_int = 65;
+-pub const EREMOTE: ::c_int = 66;
+-pub const ENOLINK: ::c_int = 67;
+-pub const EADV: ::c_int = 68;
+-pub const ESRMNT: ::c_int = 69;
+-pub const ECOMM: ::c_int = 70;
+-pub const EPROTO: ::c_int = 71;
+-pub const EDOTDOT: ::c_int = 73;
+-pub const SA_NODEFER: ::c_int = 1073741824;
+-pub const SA_RESETHAND: ::c_int = -2147483648;
+-pub const SA_RESTART: ::c_int = 268435456;
+-pub const SA_NOCLDSTOP: ::c_int = 1;
+-pub const EPOLL_CLOEXEC: ::c_int = 524288;
+-pub const EFD_CLOEXEC: ::c_int = 524288;
+-pub const __SIZEOF_PTHREAD_CONDATTR_T: usize = 4;
+-pub const __SIZEOF_PTHREAD_MUTEXATTR_T: usize = 4;
+-pub const O_DIRECT: ::c_int = 16384;
+-pub const O_DIRECTORY: ::c_int = 65536;
+-pub const O_NOFOLLOW: ::c_int = 131072;
+-pub const MAP_HUGETLB: ::c_int = 262144;
+-pub const MAP_LOCKED: ::c_int = 8192;
+-pub const MAP_NORESERVE: ::c_int = 16384;
+-pub const MAP_ANON: ::c_int = 32;
+-pub const MAP_ANONYMOUS: ::c_int = 32;
+-pub const MAP_DENYWRITE: ::c_int = 2048;
+-pub const MAP_EXECUTABLE: ::c_int = 4096;
+-pub const MAP_POPULATE: ::c_int = 32768;
+-pub const MAP_NONBLOCK: ::c_int = 65536;
+-pub const MAP_STACK: ::c_int = 131072;
+-pub const MAP_SYNC: ::c_int = 0x080000;
+-pub const EDEADLOCK: ::c_int = 35;
+-pub const EUCLEAN: ::c_int = 117;
+-pub const ENOTNAM: ::c_int = 118;
+-pub const ENAVAIL: ::c_int = 119;
+-pub const EISNAM: ::c_int = 120;
+-pub const EREMOTEIO: ::c_int = 121;
+-pub const FIOCLEX: ::c_ulong = 21585;
+-pub const FIONCLEX: ::c_ulong = 21584;
+-pub const FIONBIO: ::c_ulong = 21537;
+-pub const MCL_CURRENT: ::c_int = 1;
+-pub const MCL_FUTURE: ::c_int = 2;
+-pub const SIGSTKSZ: ::size_t = 8192;
+-pub const MINSIGSTKSZ: ::size_t = 2048;
+-pub const CBAUD: ::tcflag_t = 4111;
+-pub const TAB1: ::tcflag_t = 2048;
+-pub const TAB2: ::tcflag_t = 4096;
+-pub const TAB3: ::tcflag_t = 6144;
+-pub const CR1: ::tcflag_t = 512;
+-pub const CR2: ::tcflag_t = 1024;
+-pub const CR3: ::tcflag_t = 1536;
+-pub const FF1: ::tcflag_t = 32768;
+-pub const BS1: ::tcflag_t = 8192;
+-pub const VT1: ::tcflag_t = 16384;
+-pub const VWERASE: usize = 14;
+-pub const VREPRINT: usize = 12;
+-pub const VSUSP: usize = 10;
+-pub const VSTART: usize = 8;
+-pub const VSTOP: usize = 9;
+-pub const VDISCARD: usize = 13;
+-pub const VTIME: usize = 5;
+-pub const IXON: ::tcflag_t = 1024;
+-pub const IXOFF: ::tcflag_t = 4096;
+-pub const ONLCR: ::tcflag_t = 4;
+-pub const CSIZE: ::tcflag_t = 48;
+-pub const CS6: ::tcflag_t = 16;
+-pub const CS7: ::tcflag_t = 32;
+-pub const CS8: ::tcflag_t = 48;
+-pub const CSTOPB: ::tcflag_t = 64;
+-pub const CREAD: ::tcflag_t = 128;
+-pub const PARENB: ::tcflag_t = 256;
+-pub const PARODD: ::tcflag_t = 512;
+-pub const HUPCL: ::tcflag_t = 1024;
+-pub const CLOCAL: ::tcflag_t = 2048;
+-pub const ECHOKE: ::tcflag_t = 2048;
+-pub const ECHOE: ::tcflag_t = 16;
+-pub const ECHOK: ::tcflag_t = 32;
+-pub const ECHONL: ::tcflag_t = 64;
+-pub const ECHOPRT: ::tcflag_t = 1024;
+-pub const ECHOCTL: ::tcflag_t = 512;
+-pub const ISIG: ::tcflag_t = 1;
+-pub const ICANON: ::tcflag_t = 2;
+-pub const PENDIN: ::tcflag_t = 16384;
+-pub const NOFLSH: ::tcflag_t = 128;
+-pub const CIBAUD: ::tcflag_t = 269418496;
+-pub const CBAUDEX: ::tcflag_t = 4096;
+-pub const VSWTC: usize = 7;
+-pub const OLCUC: ::tcflag_t = 2;
+-pub const NLDLY: ::tcflag_t = 256;
+-pub const CRDLY: ::tcflag_t = 1536;
+-pub const TABDLY: ::tcflag_t = 6144;
+-pub const BSDLY: ::tcflag_t = 8192;
+-pub const FFDLY: ::tcflag_t = 32768;
+-pub const VTDLY: ::tcflag_t = 16384;
+-pub const XTABS: ::tcflag_t = 6144;
+-pub const B0: ::speed_t = 0;
+-pub const B50: ::speed_t = 1;
+-pub const B75: ::speed_t = 2;
+-pub const B110: ::speed_t = 3;
+-pub const B134: ::speed_t = 4;
+-pub const B150: ::speed_t = 5;
+-pub const B200: ::speed_t = 6;
+-pub const B300: ::speed_t = 7;
+-pub const B600: ::speed_t = 8;
+-pub const B1200: ::speed_t = 9;
+-pub const B1800: ::speed_t = 10;
+-pub const B2400: ::speed_t = 11;
+-pub const B4800: ::speed_t = 12;
+-pub const B9600: ::speed_t = 13;
+-pub const B19200: ::speed_t = 14;
+-pub const B38400: ::speed_t = 15;
+-pub const EXTA: ::speed_t = 14;
+-pub const EXTB: ::speed_t = 15;
+-pub const B57600: ::speed_t = 4097;
+-pub const B115200: ::speed_t = 4098;
+-pub const B230400: ::speed_t = 4099;
+-pub const B460800: ::speed_t = 4100;
+-pub const B500000: ::speed_t = 4101;
+-pub const B576000: ::speed_t = 4102;
+-pub const B921600: ::speed_t = 4103;
+-pub const B1000000: ::speed_t = 4104;
+-pub const B1152000: ::speed_t = 4105;
+-pub const B1500000: ::speed_t = 4106;
+-pub const B2000000: ::speed_t = 4107;
+-pub const B2500000: ::speed_t = 4108;
+-pub const B3000000: ::speed_t = 4109;
+-pub const B3500000: ::speed_t = 4110;
+-pub const B4000000: ::speed_t = 4111;
+-pub const VEOL: usize = 11;
+-pub const VEOL2: usize = 16;
+-pub const VMIN: usize = 6;
+-pub const IEXTEN: ::tcflag_t = 32768;
+-pub const TOSTOP: ::tcflag_t = 256;
+-pub const FLUSHO: ::tcflag_t = 4096;
+-pub const EXTPROC: ::tcflag_t = 65536;
+-pub const TCGETS: ::c_ulong = 21505;
+-pub const TCSETS: ::c_ulong = 21506;
+-pub const TCSETSW: ::c_ulong = 21507;
+-pub const TCSETSF: ::c_ulong = 21508;
+-pub const TCGETA: ::c_ulong = 21509;
+-pub const TCSETA: ::c_ulong = 21510;
+-pub const TCSETAW: ::c_ulong = 21511;
+-pub const TCSETAF: ::c_ulong = 21512;
+-pub const TCSBRK: ::c_ulong = 21513;
+-pub const TCXONC: ::c_ulong = 21514;
+-pub const TCFLSH: ::c_ulong = 21515;
+-pub const TIOCINQ: ::c_ulong = 21531;
+-pub const TIOCGPGRP: ::c_ulong = 21519;
+-pub const TIOCSPGRP: ::c_ulong = 21520;
+-pub const TIOCOUTQ: ::c_ulong = 21521;
+-pub const TIOCGWINSZ: ::c_ulong = 21523;
+-pub const TIOCSWINSZ: ::c_ulong = 21524;
+-pub const FIONREAD: ::c_ulong = 21531;
+-pub const __SIZEOF_PTHREAD_MUTEX_T: usize = 40;
+-pub const __SIZEOF_PTHREAD_RWLOCK_T: usize = 56;
+ pub const SYS_read: ::c_long = 63;
+ pub const SYS_write: ::c_long = 64;
+ pub const SYS_close: ::c_long = 57;
+@@ -830,3 +487,315 @@ pub const SYS_faccessat2: ::c_long = 439
+ pub const SYS_process_madvise: ::c_long = 440;
+ pub const SYS_epoll_pwait2: ::c_long = 441;
+ pub const SYS_mount_setattr: ::c_long = 442;
++
++
++pub const O_APPEND: ::c_int = 1024;
++pub const O_DIRECT: ::c_int = 0x4000;
++pub const O_DIRECTORY: ::c_int = 0x10000;
++pub const O_LARGEFILE: ::c_int = 0;
++pub const O_NOFOLLOW: ::c_int = 0x20000;
++pub const O_CREAT: ::c_int = 64;
++pub const O_EXCL: ::c_int = 128;
++pub const O_NOCTTY: ::c_int = 256;
++pub const O_NONBLOCK: ::c_int = 2048;
++pub const O_SYNC: ::c_int = 1052672;
++pub const O_RSYNC: ::c_int = 1052672;
++pub const O_DSYNC: ::c_int = 4096;
++pub const O_ASYNC: ::c_int = 0x2000;
++
++pub const TIOCGRS485: ::c_int = 0x542E;
++pub const TIOCSRS485: ::c_int = 0x542F;
++
++pub const SIGSTKSZ: ::size_t = 8192;
++pub const MINSIGSTKSZ: ::size_t = 2048;
++
++pub const ENAMETOOLONG: ::c_int = 36;
++pub const ENOLCK: ::c_int = 37;
++pub const ENOSYS: ::c_int = 38;
++pub const ENOTEMPTY: ::c_int = 39;
++pub const ELOOP: ::c_int = 40;
++pub const ENOMSG: ::c_int = 42;
++pub const EIDRM: ::c_int = 43;
++pub const ECHRNG: ::c_int = 44;
++pub const EL2NSYNC: ::c_int = 45;
++pub const EL3HLT: ::c_int = 46;
++pub const EL3RST: ::c_int = 47;
++pub const ELNRNG: ::c_int = 48;
++pub const EUNATCH: ::c_int = 49;
++pub const ENOCSI: ::c_int = 50;
++pub const EL2HLT: ::c_int = 51;
++pub const EBADE: ::c_int = 52;
++pub const EBADR: ::c_int = 53;
++pub const EXFULL: ::c_int = 54;
++pub const ENOANO: ::c_int = 55;
++pub const EBADRQC: ::c_int = 56;
++pub const EBADSLT: ::c_int = 57;
++pub const EMULTIHOP: ::c_int = 72;
++pub const EOVERFLOW: ::c_int = 75;
++pub const ENOTUNIQ: ::c_int = 76;
++pub const EBADFD: ::c_int = 77;
++pub const EBADMSG: ::c_int = 74;
++pub const EREMCHG: ::c_int = 78;
++pub const ELIBACC: ::c_int = 79;
++pub const ELIBBAD: ::c_int = 80;
++pub const ELIBSCN: ::c_int = 81;
++pub const ELIBMAX: ::c_int = 82;
++pub const ELIBEXEC: ::c_int = 83;
++pub const EILSEQ: ::c_int = 84;
++pub const ERESTART: ::c_int = 85;
++pub const ESTRPIPE: ::c_int = 86;
++pub const EUSERS: ::c_int = 87;
++pub const ENOTSOCK: ::c_int = 88;
++pub const EDESTADDRREQ: ::c_int = 89;
++pub const EMSGSIZE: ::c_int = 90;
++pub const EPROTOTYPE: ::c_int = 91;
++pub const ENOPROTOOPT: ::c_int = 92;
++pub const EPROTONOSUPPORT: ::c_int = 93;
++pub const ESOCKTNOSUPPORT: ::c_int = 94;
++pub const EOPNOTSUPP: ::c_int = 95;
++pub const EPFNOSUPPORT: ::c_int = 96;
++pub const EAFNOSUPPORT: ::c_int = 97;
++pub const EADDRINUSE: ::c_int = 98;
++pub const EADDRNOTAVAIL: ::c_int = 99;
++pub const ENETDOWN: ::c_int = 100;
++pub const ENETUNREACH: ::c_int = 101;
++pub const ENETRESET: ::c_int = 102;
++pub const ECONNABORTED: ::c_int = 103;
++pub const ECONNRESET: ::c_int = 104;
++pub const ENOBUFS: ::c_int = 105;
++pub const EISCONN: ::c_int = 106;
++pub const ENOTCONN: ::c_int = 107;
++pub const ESHUTDOWN: ::c_int = 108;
++pub const ETOOMANYREFS: ::c_int = 109;
++pub const ETIMEDOUT: ::c_int = 110;
++pub const ECONNREFUSED: ::c_int = 111;
++pub const EHOSTDOWN: ::c_int = 112;
++pub const EHOSTUNREACH: ::c_int = 113;
++pub const EALREADY: ::c_int = 114;
++pub const EINPROGRESS: ::c_int = 115;
++pub const ESTALE: ::c_int = 116;
++pub const EDQUOT: ::c_int = 122;
++pub const ENOMEDIUM: ::c_int = 123;
++pub const EMEDIUMTYPE: ::c_int = 124;
++pub const ECANCELED: ::c_int = 125;
++pub const ENOKEY: ::c_int = 126;
++pub const EKEYEXPIRED: ::c_int = 127;
++pub const EKEYREVOKED: ::c_int = 128;
++pub const EKEYREJECTED: ::c_int = 129;
++pub const EOWNERDEAD: ::c_int = 130;
++pub const ENOTRECOVERABLE: ::c_int = 131;
++pub const EHWPOISON: ::c_int = 133;
++pub const ERFKILL: ::c_int = 132;
++
++pub const SA_ONSTACK: ::c_int = 0x08000000;
++pub const SA_SIGINFO: ::c_int = 0x00000004;
++pub const SA_NOCLDWAIT: ::c_int = 0x00000002;
++
++pub const SIGCHLD: ::c_int = 17;
++pub const SIGBUS: ::c_int = 7;
++pub const SIGTTIN: ::c_int = 21;
++pub const SIGTTOU: ::c_int = 22;
++pub const SIGXCPU: ::c_int = 24;
++pub const SIGXFSZ: ::c_int = 25;
++pub const SIGVTALRM: ::c_int = 26;
++pub const SIGPROF: ::c_int = 27;
++pub const SIGWINCH: ::c_int = 28;
++pub const SIGUSR1: ::c_int = 10;
++pub const SIGUSR2: ::c_int = 12;
++pub const SIGCONT: ::c_int = 18;
++pub const SIGSTOP: ::c_int = 19;
++pub const SIGTSTP: ::c_int = 20;
++pub const SIGURG: ::c_int = 23;
++pub const SIGIO: ::c_int = 29;
++pub const SIGSYS: ::c_int = 31;
++pub const SIGSTKFLT: ::c_int = 16;
++pub const SIGPOLL: ::c_int = 29;
++pub const SIGPWR: ::c_int = 30;
++pub const SIG_SETMASK: ::c_int = 2;
++pub const SIG_BLOCK: ::c_int = 0x000000;
++pub const SIG_UNBLOCK: ::c_int = 0x01;
++
++pub const F_GETLK: ::c_int = 5;
++pub const F_GETOWN: ::c_int = 9;
++pub const F_SETLK: ::c_int = 6;
++pub const F_SETLKW: ::c_int = 7;
++pub const F_SETOWN: ::c_int = 8;
++pub const F_OFD_GETLK: ::c_int = 36;
++pub const F_OFD_SETLK: ::c_int = 37;
++pub const F_OFD_SETLKW: ::c_int = 38;
++
++pub const VEOF: usize = 4;
++
++pub const POLLWRNORM: ::c_short = 0x100;
++pub const POLLWRBAND: ::c_short = 0x200;
++
++pub const SOCK_STREAM: ::c_int = 1;
++pub const SOCK_DGRAM: ::c_int = 2;
++pub const SOL_SOCKET: ::c_int = 1;
++pub const SO_REUSEADDR: ::c_int = 2;
++pub const SO_TYPE: ::c_int = 3;
++pub const SO_ERROR: ::c_int = 4;
++pub const SO_DONTROUTE: ::c_int = 5;
++pub const SO_BROADCAST: ::c_int = 6;
++pub const SO_SNDBUF: ::c_int = 7;
++pub const SO_RCVBUF: ::c_int = 8;
++pub const SO_KEEPALIVE: ::c_int = 9;
++pub const SO_OOBINLINE: ::c_int = 10;
++pub const SO_NO_CHECK: ::c_int = 11;
++pub const SO_PRIORITY: ::c_int = 12;
++pub const SO_LINGER: ::c_int = 13;
++pub const SO_BSDCOMPAT: ::c_int = 14;
++pub const SO_REUSEPORT: ::c_int = 15;
++pub const SO_ACCEPTCONN: ::c_int = 30;
++pub const SO_SNDBUFFORCE: ::c_int = 32;
++pub const SO_RCVBUFFORCE: ::c_int = 33;
++pub const SO_PROTOCOL: ::c_int = 38;
++pub const SO_DOMAIN: ::c_int = 39;
++
++pub const MAP_ANON: ::c_int = 0x0020;
++pub const MAP_GROWSDOWN: ::c_int = 0x0100;
++pub const MAP_DENYWRITE: ::c_int = 0x0800;
++pub const MAP_EXECUTABLE: ::c_int = 0x01000;
++pub const MAP_LOCKED: ::c_int = 0x02000;
++pub const MAP_NORESERVE: ::c_int = 0x04000;
++pub const MAP_POPULATE: ::c_int = 0x08000;
++pub const MAP_NONBLOCK: ::c_int = 0x010000;
++pub const MAP_STACK: ::c_int = 0x020000;
++pub const MAP_HUGETLB: ::c_int = 0x040000;
++pub const MAP_SYNC : ::c_int = 0x080000;
++
++pub const RLIMIT_NLIMITS: ::c_int = 15;
++pub const TIOCINQ: ::c_int = ::FIONREAD;
++pub const MCL_CURRENT: ::c_int = 0x0001;
++pub const MCL_FUTURE: ::c_int = 0x0002;
++pub const CBAUD: ::tcflag_t = 0o0010017;
++pub const TAB1: ::c_int = 0x00000800;
++pub const TAB2: ::c_int = 0x00001000;
++pub const TAB3: ::c_int = 0x00001800;
++pub const CR1: ::c_int = 0x00000200;
++pub const CR2: ::c_int = 0x00000400;
++pub const CR3: ::c_int = 0x00000600;
++pub const FF1: ::c_int = 0x00008000;
++pub const BS1: ::c_int = 0x00002000;
++pub const VT1: ::c_int = 0x00004000;
++pub const VWERASE: usize = 14;
++pub const VREPRINT: usize = 12;
++pub const VSUSP: usize = 10;
++pub const VSTART: usize = 8;
++pub const VSTOP: usize = 9;
++pub const VDISCARD: usize = 13;
++pub const VTIME: usize = 5;
++pub const IXON: ::tcflag_t = 0x00000400;
++pub const IXOFF: ::tcflag_t = 0x00001000;
++pub const ONLCR: ::tcflag_t = 0x4;
++pub const CSIZE: ::tcflag_t = 0x00000030;
++pub const CS6: ::tcflag_t = 0x00000010;
++pub const CS7: ::tcflag_t = 0x00000020;
++pub const CS8: ::tcflag_t = 0x00000030;
++pub const CSTOPB: ::tcflag_t = 0x00000040;
++pub const CREAD: ::tcflag_t = 0x00000080;
++pub const PARENB: ::tcflag_t = 0x00000100;
++pub const PARODD: ::tcflag_t = 0x00000200;
++pub const HUPCL: ::tcflag_t = 0x00000400;
++pub const CLOCAL: ::tcflag_t = 0x00000800;
++pub const ECHOKE: ::tcflag_t = 0x00000800;
++pub const ECHOE: ::tcflag_t = 0x00000010;
++pub const ECHOK: ::tcflag_t = 0x00000020;
++pub const ECHONL: ::tcflag_t = 0x00000040;
++pub const ECHOPRT: ::tcflag_t = 0x00000400;
++pub const ECHOCTL: ::tcflag_t = 0x00000200;
++pub const ISIG: ::tcflag_t = 0x00000001;
++pub const ICANON: ::tcflag_t = 0x00000002;
++pub const PENDIN: ::tcflag_t = 0x00004000;
++pub const NOFLSH: ::tcflag_t = 0x00000080;
++pub const CIBAUD: ::tcflag_t = 0o02003600000;
++pub const CBAUDEX: ::tcflag_t = 0o010000;
++pub const VSWTC: usize = 7;
++pub const OLCUC: ::tcflag_t = 0o000002;
++pub const NLDLY: ::tcflag_t = 0o000400;
++pub const CRDLY: ::tcflag_t = 0o003000;
++pub const TABDLY: ::tcflag_t = 0o014000;
++pub const BSDLY: ::tcflag_t = 0o020000;
++pub const FFDLY: ::tcflag_t = 0o100000;
++pub const VTDLY: ::tcflag_t = 0o040000;
++pub const XTABS: ::tcflag_t = 0o014000;
++pub const B57600: ::speed_t = 0o010001;
++pub const B115200: ::speed_t = 0o010002;
++pub const B230400: ::speed_t = 0o010003;
++pub const B460800: ::speed_t = 0o010004;
++pub const B500000: ::speed_t = 0o010005;
++pub const B576000: ::speed_t = 0o010006;
++pub const B921600: ::speed_t = 0o010007;
++pub const B1000000: ::speed_t = 0o010010;
++pub const B1152000: ::speed_t = 0o010011;
++pub const B1500000: ::speed_t = 0o010012;
++pub const B2000000: ::speed_t = 0o010013;
++pub const B2500000: ::speed_t = 0o010014;
++pub const B3000000: ::speed_t = 0o010015;
++pub const B3500000: ::speed_t = 0o010016;
++pub const B4000000: ::speed_t = 0o010017;
++
++pub const FIOCLEX: ::c_int = 0x5451;
++pub const FIONCLEX: ::c_int = 0x5450;
++pub const FIONBIO: ::c_int = 0x5421;
++pub const EDEADLK: ::c_int = 35;
++pub const EDEADLOCK: ::c_int = EDEADLK;
++pub const SO_PASSCRED: ::c_int = 16;
++pub const SO_PEERCRED: ::c_int = 17;
++pub const SO_RCVLOWAT: ::c_int = 18;
++pub const SO_SNDLOWAT: ::c_int = 19;
++pub const SO_RCVTIMEO: ::c_int = 20;
++pub const SO_SNDTIMEO: ::c_int = 21;
++pub const EXTPROC: ::tcflag_t = 0x00010000;
++pub const VEOL: usize = 11;
++pub const VEOL2: usize = 16;
++pub const VMIN: usize = 6;
++pub const IEXTEN: ::tcflag_t = 0x00008000;
++pub const TOSTOP: ::tcflag_t = 0x00000100;
++pub const FLUSHO: ::tcflag_t = 0x00001000;
++pub const TCGETS: ::c_int = 0x5401;
++pub const TCSETS: ::c_int = 0x5402;
++pub const TCSETSW: ::c_int = 0x5403;
++pub const TCSETSF: ::c_int = 0x5404;
++pub const TCGETA: ::c_int = 0x5405;
++pub const TCSETA: ::c_int = 0x5406;
++pub const TCSETAW: ::c_int = 0x5407;
++pub const TCSETAF: ::c_int = 0x5408;
++pub const TCSBRK: ::c_int = 0x5409;
++pub const TCXONC: ::c_int = 0x540A;
++pub const TCFLSH: ::c_int = 0x540B;
++pub const TIOCGSOFTCAR: ::c_int = 0x5419;
++pub const TIOCSSOFTCAR: ::c_int = 0x541A;
++pub const TIOCLINUX: ::c_int = 0x541C;
++pub const TIOCGSERIAL: ::c_int = 0x541E;
++pub const TIOCEXCL: ::c_int = 0x540C;
++pub const TIOCNXCL: ::c_int = 0x540D;
++pub const TIOCSCTTY: ::c_int = 0x540E;
++pub const TIOCGPGRP: ::c_int = 0x540F;
++pub const TIOCSPGRP: ::c_int = 0x5410;
++pub const TIOCOUTQ: ::c_int = 0x5411;
++pub const TIOCSTI: ::c_int = 0x5412;
++pub const TIOCGWINSZ: ::c_int = 0x5413;
++pub const TIOCSWINSZ: ::c_int = 0x5414;
++pub const TIOCMGET: ::c_int = 0x5415;
++pub const TIOCMBIS: ::c_int = 0x5416;
++pub const TIOCMBIC: ::c_int = 0x5417;
++pub const TIOCMSET: ::c_int = 0x5418;
++pub const FIONREAD: ::c_int = 0x541B;
++pub const TIOCCONS: ::c_int = 0x541D;
++
++pub const TIOCM_LE: ::c_int = 0x001;
++pub const TIOCM_DTR: ::c_int = 0x002;
++pub const TIOCM_RTS: ::c_int = 0x004;
++pub const TIOCM_ST: ::c_int = 0x008;
++pub const TIOCM_SR: ::c_int = 0x010;
++pub const TIOCM_CTS: ::c_int = 0x020;
++pub const TIOCM_CAR: ::c_int = 0x040;
++pub const TIOCM_RNG: ::c_int = 0x080;
++pub const TIOCM_DSR: ::c_int = 0x100;
++pub const TIOCM_CD: ::c_int = TIOCM_CAR;
++pub const TIOCM_RI: ::c_int = TIOCM_RNG;
++
++extern "C" {
++    pub fn ioctl(fd: ::c_int, request: ::c_int, ...) -> ::c_int;
++}