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    //! Windows CRT definitions

    pub type c_char = i8;
    pub type c_long = i32;
    pub type c_ulong = u32;
    pub type wchar_t = u16;

    pub type clock_t = i32;

    cfg_if! {
        if #[cfg(all(target_arch = "x86", target_env = "gnu"))] {
            pub type time_t = i32;
        } else {
            pub type time_t = i64;
        }
    }

    pub type off_t = i32;
    pub type dev_t = u32;
    pub type ino_t = u16;
    pub enum timezone {}
    pub type time64_t = i64;

    s! {
        // note this is the struct called stat64 in Windows. Not stat, nor stati64.
        pub struct stat {
            pub st_dev: dev_t,
            pub st_ino: ino_t,
            pub st_mode: u16,
            pub st_nlink: ::c_short,
            pub st_uid: ::c_short,
            pub st_gid: ::c_short,
            pub st_rdev: dev_t,
            pub st_size: i64,
            pub st_atime: time64_t,
            pub st_mtime: time64_t,
            pub st_ctime: time64_t,
        }

        // note that this is called utimbuf64 in Windows
        pub struct utimbuf {
            pub actime: time64_t,
            pub modtime: time64_t,
        }

        pub struct timeval {
            pub tv_sec: c_long,
            pub tv_usec: c_long,
        }

        pub struct timespec {
            pub tv_sec: time_t,
            pub tv_nsec: c_long,
        }
    }

    pub const EXIT_FAILURE: ::c_int = 1;
    pub const EXIT_SUCCESS: ::c_int = 0;
    pub const RAND_MAX: ::c_int = 32767;
    pub const EOF: ::c_int = -1;
    pub const SEEK_SET: ::c_int = 0;
    pub const SEEK_CUR: ::c_int = 1;
    pub const SEEK_END: ::c_int = 2;
    pub const _IOFBF: ::c_int = 0;
    pub const _IONBF: ::c_int = 4;
    pub const _IOLBF: ::c_int = 64;
    pub const BUFSIZ: ::c_uint = 512;
    pub const FOPEN_MAX: ::c_uint = 20;
    pub const FILENAME_MAX: ::c_uint = 260;

    cfg_if! {
        if #[cfg(all(target_env = "gnu"))] {
            pub const L_tmpnam: ::c_uint = 14;
            pub const TMP_MAX: ::c_uint = 0x7fff;
        } else if #[cfg(all(target_env = "msvc"))] {
            pub const L_tmpnam: ::c_uint = 260;
            pub const TMP_MAX: ::c_uint = 0x7fff_ffff;
        } else {
            // Unknown target_env
        }
    }

    pub const O_RDONLY: ::c_int = 0;
    pub const O_WRONLY: ::c_int = 1;
    pub const O_RDWR: ::c_int = 2;
    pub const O_APPEND: ::c_int = 8;
    pub const O_CREAT: ::c_int = 256;
    pub const O_EXCL: ::c_int = 1024;
    pub const O_TEXT: ::c_int = 16384;
    pub const O_BINARY: ::c_int = 32768;
    pub const O_NOINHERIT: ::c_int = 128;
    pub const O_TRUNC: ::c_int = 512;
    pub const S_IFCHR: ::c_int = 8192;
    pub const S_IFDIR: ::c_int = 16384;
    pub const S_IFREG: ::c_int = 32768;
    pub const S_IFMT: ::c_int = 61440;
    pub const S_IEXEC: ::c_int = 64;
    pub const S_IWRITE: ::c_int = 128;
    pub const S_IREAD: ::c_int = 256;

    #[cfg(target_env = "msvc")] // " if " -- appease style checker
    #[link(name = "msvcrt")]
    extern {}

    extern {
        #[link_name = "_chmod"]
        pub fn chmod(path: *const c_char, mode: ::c_int) -> ::c_int;
        #[link_name = "_wchmod"]
        pub fn wchmod(path: *const wchar_t, mode: ::c_int) -> ::c_int;
        #[link_name = "_mkdir"]
        pub fn mkdir(path: *const c_char) -> ::c_int;
        #[link_name = "_wrmdir"]
        pub fn wrmdir(path: *const wchar_t) -> ::c_int;
        #[link_name = "_fstat64"]
        pub fn fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int;
        #[link_name = "_stat64"]
        pub fn stat(path: *const c_char, buf: *mut stat) -> ::c_int;
        #[link_name = "_wstat64"]
        pub fn wstat(path: *const wchar_t, buf: *mut stat) -> ::c_int;
        #[link_name = "_wutime64"]
        pub fn wutime(file: *const wchar_t, buf: *mut utimbuf) -> ::c_int;
        #[link_name = "_popen"]
        pub fn popen(command: *const c_char, mode: *const c_char) -> *mut ::FILE;
        #[link_name = "_pclose"]
        pub fn pclose(stream: *mut ::FILE) -> ::c_int;
        #[link_name = "_fdopen"]
        pub fn fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE;
        #[link_name = "_fileno"]
        pub fn fileno(stream: *mut ::FILE) -> ::c_int;
        #[link_name = "_open"]
        pub fn open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
        #[link_name = "_wopen"]
        pub fn wopen(path: *const wchar_t, oflag: ::c_int, ...) -> ::c_int;
        #[link_name = "_creat"]
        pub fn creat(path: *const c_char, mode: ::c_int) -> ::c_int;
        #[link_name = "_access"]
        pub fn access(path: *const c_char, amode: ::c_int) -> ::c_int;
        #[link_name = "_chdir"]
        pub fn chdir(dir: *const c_char) -> ::c_int;
        #[link_name = "_close"]
        pub fn close(fd: ::c_int) -> ::c_int;
        #[link_name = "_dup"]
        pub fn dup(fd: ::c_int) -> ::c_int;
        #[link_name = "_dup2"]
        pub fn dup2(src: ::c_int, dst: ::c_int) -> ::c_int;
        #[link_name = "_execv"]
        pub fn execv(prog: *const c_char, argv: *const *const c_char) -> ::intptr_t;
        #[link_name = "_execve"]
        pub fn execve(prog: *const c_char, argv: *const *const c_char,
                      envp: *const *const c_char) -> ::c_int;
        #[link_name = "_execvp"]
        pub fn execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int;
        #[link_name = "_execvpe"]
        pub fn execvpe(c: *const c_char, argv: *const *const c_char,
                       envp: *const *const c_char) -> ::c_int;
        #[link_name = "_getcwd"]
        pub fn getcwd(buf: *mut c_char, size: ::c_int) -> *mut c_char;
        #[link_name = "_getpid"]
        pub fn getpid() -> ::c_int;
        #[link_name = "_isatty"]
        pub fn isatty(fd: ::c_int) -> ::c_int;
        #[link_name = "_lseek"]
        pub fn lseek(fd: ::c_int, offset: c_long, origin: ::c_int) -> c_long;
        #[link_name = "_pipe"]
        pub fn pipe(fds: *mut ::c_int,
                    psize: ::c_uint,
                    textmode: ::c_int) -> ::c_int;
        #[link_name = "_read"]
        pub fn read(fd: ::c_int, buf: *mut ::c_void, count: ::c_uint) -> ::c_int;
        #[link_name = "_rmdir"]
        pub fn rmdir(path: *const c_char) -> ::c_int;
        #[link_name = "_unlink"]
        pub fn unlink(c: *const c_char) -> ::c_int;
        #[link_name = "_write"]
        pub fn write(fd: ::c_int, buf: *const ::c_void, count: ::c_uint) -> ::c_int;
        #[link_name = "_commit"]
        pub fn commit(fd: ::c_int) -> ::c_int;
        #[link_name = "_get_osfhandle"]
        pub fn get_osfhandle(fd: ::c_int) -> ::intptr_t;
        #[link_name = "_open_osfhandle"]
        pub fn open_osfhandle(osfhandle: ::intptr_t, flags: ::c_int) -> ::c_int;
    }

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