wasi_virt_layer 0.2.4

#![allow(non_camel_case_types)]
/// Copy from wasi crate
/// Using them directly causes
/// link errors when not targeting wasi,
/// so I'm copying them after omitting those parts.

/// Special `Dircookie` value indicating the start of a directory.
pub const DIRCOOKIE_START: Dircookie = 0;

/// The "standard input" descriptor number.
pub const FD_STDIN: Fd = 0;

/// The "standard output" descriptor number.
pub const FD_STDOUT: Fd = 1;

/// The "standard error" descriptor number.
pub const FD_STDERR: Fd = 2;

use core::fmt;
/// Buffer size.
pub type Size = usize;
/// File size.
pub type Filesize = u64;
/// Timestamp in nanoseconds.
pub type Timestamp = u64;
#[repr(transparent)]
#[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)]
/// Identifier for a clock.
pub struct Clockid(u32);
/// The clock measuring real time. Time value zero corresponds with
/// 1970-01-01T00:00:00Z.
pub const CLOCKID_REALTIME: Clockid = Clockid(0);
/// The store-wide monotonic clock, which is defined as a clock measuring
/// real time, whose value cannot be adjusted and which cannot have negative
/// clock jumps. The epoch of this clock is undefined. The absolute time
/// value of this clock therefore has no meaning.
pub const CLOCKID_MONOTONIC: Clockid = Clockid(1);
/// The CPU-time clock associated with the current process.
pub const CLOCKID_PROCESS_CPUTIME_ID: Clockid = Clockid(2);
/// The CPU-time clock associated with the current thread.
pub const CLOCKID_THREAD_CPUTIME_ID: Clockid = Clockid(3);
impl Clockid {
    /// Returns the raw underlying value of the clock identifier.
    pub const fn raw(&self) -> u32 {
        self.0
    }

    /// Returns the name of the clock identifier as a string.
    pub fn name(&self) -> &'static str {
        match self.0 {
            0 => "REALTIME",
            1 => "MONOTONIC",
            2 => "PROCESS_CPUTIME_ID",
            3 => "THREAD_CPUTIME_ID",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
    /// Returns a descriptive message for the clock identifier.
    pub fn message(&self) -> &'static str {
        match self.0 {
            0 => {
                "The clock measuring real time. Time value zero corresponds with
1970-01-01T00:00:00Z."
            }
            1 => {
                "The store-wide monotonic clock, which is defined as a clock measuring
real time, whose value cannot be adjusted and which cannot have negative
clock jumps. The epoch of this clock is undefined. The absolute time
value of this clock therefore has no meaning."
            }
            2 => "The CPU-time clock associated with the current process.",
            3 => "The CPU-time clock associated with the current thread.",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
}
impl fmt::Debug for Clockid {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("Clockid")
            .field("code", &self.0)
            .field("name", &self.name())
            .field("message", &self.message())
            .finish()
    }
}

#[repr(transparent)]
#[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)]
/// Error codes returned by functions.
pub struct Errno(u16);
/// No error occurred. System call completed successfully.
pub const ERRNO_SUCCESS: Errno = Errno(0);
/// Argument list too long.
pub const ERRNO_2BIG: Errno = Errno(1);
/// Permission denied.
pub const ERRNO_ACCES: Errno = Errno(2);
/// Address in use.
pub const ERRNO_ADDRINUSE: Errno = Errno(3);
/// Address not available.
pub const ERRNO_ADDRNOTAVAIL: Errno = Errno(4);
/// Address family not supported.
pub const ERRNO_AFNOSUPPORT: Errno = Errno(5);
/// Resource unavailable, or operation would block.
pub const ERRNO_AGAIN: Errno = Errno(6);
/// Connection already in progress.
pub const ERRNO_ALREADY: Errno = Errno(7);
/// Bad file descriptor.
pub const ERRNO_BADF: Errno = Errno(8);
/// Bad message.
pub const ERRNO_BADMSG: Errno = Errno(9);
/// Device or resource busy.
pub const ERRNO_BUSY: Errno = Errno(10);
/// Operation canceled.
pub const ERRNO_CANCELED: Errno = Errno(11);
/// No child processes.
pub const ERRNO_CHILD: Errno = Errno(12);
/// Connection aborted.
pub const ERRNO_CONNABORTED: Errno = Errno(13);
/// Connection refused.
pub const ERRNO_CONNREFUSED: Errno = Errno(14);
/// Connection reset.
pub const ERRNO_CONNRESET: Errno = Errno(15);
/// Resource deadlock would occur.
pub const ERRNO_DEADLK: Errno = Errno(16);
/// Destination address required.
pub const ERRNO_DESTADDRREQ: Errno = Errno(17);
/// Mathematics argument out of domain of function.
pub const ERRNO_DOM: Errno = Errno(18);
/// Reserved.
pub const ERRNO_DQUOT: Errno = Errno(19);
/// File exists.
pub const ERRNO_EXIST: Errno = Errno(20);
/// Bad address.
pub const ERRNO_FAULT: Errno = Errno(21);
/// File too large.
pub const ERRNO_FBIG: Errno = Errno(22);
/// Host is unreachable.
pub const ERRNO_HOSTUNREACH: Errno = Errno(23);
/// Identifier removed.
pub const ERRNO_IDRM: Errno = Errno(24);
/// Illegal byte sequence.
pub const ERRNO_ILSEQ: Errno = Errno(25);
/// Operation in progress.
pub const ERRNO_INPROGRESS: Errno = Errno(26);
/// Interrupted function.
pub const ERRNO_INTR: Errno = Errno(27);
/// Invalid argument.
pub const ERRNO_INVAL: Errno = Errno(28);
/// I/O error.
pub const ERRNO_IO: Errno = Errno(29);
/// Socket is connected.
pub const ERRNO_ISCONN: Errno = Errno(30);
/// Is a directory.
pub const ERRNO_ISDIR: Errno = Errno(31);
/// Too many levels of symbolic links.
pub const ERRNO_LOOP: Errno = Errno(32);
/// File descriptor value too large.
pub const ERRNO_MFILE: Errno = Errno(33);
/// Too many links.
pub const ERRNO_MLINK: Errno = Errno(34);
/// Message too large.
pub const ERRNO_MSGSIZE: Errno = Errno(35);
/// Reserved.
pub const ERRNO_MULTIHOP: Errno = Errno(36);
/// Filename too long.
pub const ERRNO_NAMETOOLONG: Errno = Errno(37);
/// Network is down.
pub const ERRNO_NETDOWN: Errno = Errno(38);
/// Connection aborted by network.
pub const ERRNO_NETRESET: Errno = Errno(39);
/// Network unreachable.
pub const ERRNO_NETUNREACH: Errno = Errno(40);
/// Too many files open in system.
pub const ERRNO_NFILE: Errno = Errno(41);
/// No buffer space available.
pub const ERRNO_NOBUFS: Errno = Errno(42);
/// No such device.
pub const ERRNO_NODEV: Errno = Errno(43);
/// No such file or directory.
pub const ERRNO_NOENT: Errno = Errno(44);
/// Executable file format error.
pub const ERRNO_NOEXEC: Errno = Errno(45);
/// No locks available.
pub const ERRNO_NOLCK: Errno = Errno(46);
/// Reserved.
pub const ERRNO_NOLINK: Errno = Errno(47);
/// Not enough space.
pub const ERRNO_NOMEM: Errno = Errno(48);
/// No message of the desired type.
pub const ERRNO_NOMSG: Errno = Errno(49);
/// Protocol not available.
pub const ERRNO_NOPROTOOPT: Errno = Errno(50);
/// No space left on device.
pub const ERRNO_NOSPC: Errno = Errno(51);
/// Function not supported.
pub const ERRNO_NOSYS: Errno = Errno(52);
/// The socket is not connected.
pub const ERRNO_NOTCONN: Errno = Errno(53);
/// Not a directory or a symbolic link to a directory.
pub const ERRNO_NOTDIR: Errno = Errno(54);
/// Directory not empty.
pub const ERRNO_NOTEMPTY: Errno = Errno(55);
/// State not recoverable.
pub const ERRNO_NOTRECOVERABLE: Errno = Errno(56);
/// Not a socket.
pub const ERRNO_NOTSOCK: Errno = Errno(57);
/// Not supported, or operation not supported on socket.
pub const ERRNO_NOTSUP: Errno = Errno(58);
/// Inappropriate I/O control operation.
pub const ERRNO_NOTTY: Errno = Errno(59);
/// No such device or address.
pub const ERRNO_NXIO: Errno = Errno(60);
/// Value too large to be stored in data type.
pub const ERRNO_OVERFLOW: Errno = Errno(61);
/// Previous owner died.
pub const ERRNO_OWNERDEAD: Errno = Errno(62);
/// Operation not permitted.
pub const ERRNO_PERM: Errno = Errno(63);
/// Broken pipe.
pub const ERRNO_PIPE: Errno = Errno(64);
/// Protocol error.
pub const ERRNO_PROTO: Errno = Errno(65);
/// Protocol not supported.
pub const ERRNO_PROTONOSUPPORT: Errno = Errno(66);
/// Protocol wrong type for socket.
pub const ERRNO_PROTOTYPE: Errno = Errno(67);
/// Result too large.
pub const ERRNO_RANGE: Errno = Errno(68);
/// Read-only file system.
pub const ERRNO_ROFS: Errno = Errno(69);
/// Invalid seek.
pub const ERRNO_SPIPE: Errno = Errno(70);
/// No such process.
pub const ERRNO_SRCH: Errno = Errno(71);
/// Reserved.
pub const ERRNO_STALE: Errno = Errno(72);
/// Connection timed out.
pub const ERRNO_TIMEDOUT: Errno = Errno(73);
/// Text file busy.
pub const ERRNO_TXTBSY: Errno = Errno(74);
/// Cross-device link.
pub const ERRNO_XDEV: Errno = Errno(75);
/// Extension: Capabilities insufficient.
pub const ERRNO_NOTCAPABLE: Errno = Errno(76);
impl Errno {
    /// Returns the raw underlying value of the error code.
    pub const fn raw(&self) -> u16 {
        self.0
    }

    /// Returns the name of the error code as a string.
    pub fn name(&self) -> &'static str {
        match self.0 {
            0 => "SUCCESS",
            1 => "2BIG",
            2 => "ACCES",
            3 => "ADDRINUSE",
            4 => "ADDRNOTAVAIL",
            5 => "AFNOSUPPORT",
            6 => "AGAIN",
            7 => "ALREADY",
            8 => "BADF",
            9 => "BADMSG",
            10 => "BUSY",
            11 => "CANCELED",
            12 => "CHILD",
            13 => "CONNABORTED",
            14 => "CONNREFUSED",
            15 => "CONNRESET",
            16 => "DEADLK",
            17 => "DESTADDRREQ",
            18 => "DOM",
            19 => "DQUOT",
            20 => "EXIST",
            21 => "FAULT",
            22 => "FBIG",
            23 => "HOSTUNREACH",
            24 => "IDRM",
            25 => "ILSEQ",
            26 => "INPROGRESS",
            27 => "INTR",
            28 => "INVAL",
            29 => "IO",
            30 => "ISCONN",
            31 => "ISDIR",
            32 => "LOOP",
            33 => "MFILE",
            34 => "MLINK",
            35 => "MSGSIZE",
            36 => "MULTIHOP",
            37 => "NAMETOOLONG",
            38 => "NETDOWN",
            39 => "NETRESET",
            40 => "NETUNREACH",
            41 => "NFILE",
            42 => "NOBUFS",
            43 => "NODEV",
            44 => "NOENT",
            45 => "NOEXEC",
            46 => "NOLCK",
            47 => "NOLINK",
            48 => "NOMEM",
            49 => "NOMSG",
            50 => "NOPROTOOPT",
            51 => "NOSPC",
            52 => "NOSYS",
            53 => "NOTCONN",
            54 => "NOTDIR",
            55 => "NOTEMPTY",
            56 => "NOTRECOVERABLE",
            57 => "NOTSOCK",
            58 => "NOTSUP",
            59 => "NOTTY",
            60 => "NXIO",
            61 => "OVERFLOW",
            62 => "OWNERDEAD",
            63 => "PERM",
            64 => "PIPE",
            65 => "PROTO",
            66 => "PROTONOSUPPORT",
            67 => "PROTOTYPE",
            68 => "RANGE",
            69 => "ROFS",
            70 => "SPIPE",
            71 => "SRCH",
            72 => "STALE",
            73 => "TIMEDOUT",
            74 => "TXTBSY",
            75 => "XDEV",
            76 => "NOTCAPABLE",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
    /// Returns a descriptive message for the error code.
    pub fn message(&self) -> &'static str {
        match self.0 {
            0 => "No error occurred. System call completed successfully.",
            1 => "Argument list too long.",
            2 => "Permission denied.",
            3 => "Address in use.",
            4 => "Address not available.",
            5 => "Address family not supported.",
            6 => "Resource unavailable, or operation would block.",
            7 => "Connection already in progress.",
            8 => "Bad file descriptor.",
            9 => "Bad message.",
            10 => "Device or resource busy.",
            11 => "Operation canceled.",
            12 => "No child processes.",
            13 => "Connection aborted.",
            14 => "Connection refused.",
            15 => "Connection reset.",
            16 => "Resource deadlock would occur.",
            17 => "Destination address required.",
            18 => "Mathematics argument out of domain of function.",
            19 => "Reserved.",
            20 => "File exists.",
            21 => "Bad address.",
            22 => "File too large.",
            23 => "Host is unreachable.",
            24 => "Identifier removed.",
            25 => "Illegal byte sequence.",
            26 => "Operation in progress.",
            27 => "Interrupted function.",
            28 => "Invalid argument.",
            29 => "I/O error.",
            30 => "Socket is connected.",
            31 => "Is a directory.",
            32 => "Too many levels of symbolic links.",
            33 => "File descriptor value too large.",
            34 => "Too many links.",
            35 => "Message too large.",
            36 => "Reserved.",
            37 => "Filename too long.",
            38 => "Network is down.",
            39 => "Connection aborted by network.",
            40 => "Network unreachable.",
            41 => "Too many files open in system.",
            42 => "No buffer space available.",
            43 => "No such device.",
            44 => "No such file or directory.",
            45 => "Executable file format error.",
            46 => "No locks available.",
            47 => "Reserved.",
            48 => "Not enough space.",
            49 => "No message of the desired type.",
            50 => "Protocol not available.",
            51 => "No space left on device.",
            52 => "Function not supported.",
            53 => "The socket is not connected.",
            54 => "Not a directory or a symbolic link to a directory.",
            55 => "Directory not empty.",
            56 => "State not recoverable.",
            57 => "Not a socket.",
            58 => "Not supported, or operation not supported on socket.",
            59 => "Inappropriate I/O control operation.",
            60 => "No such device or address.",
            61 => "Value too large to be stored in data type.",
            62 => "Previous owner died.",
            63 => "Operation not permitted.",
            64 => "Broken pipe.",
            65 => "Protocol error.",
            66 => "Protocol not supported.",
            67 => "Protocol wrong type for socket.",
            68 => "Result too large.",
            69 => "Read-only file system.",
            70 => "Invalid seek.",
            71 => "No such process.",
            72 => "Reserved.",
            73 => "Connection timed out.",
            74 => "Text file busy.",
            75 => "Cross-device link.",
            76 => "Extension: Capabilities insufficient.",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
}
impl fmt::Debug for Errno {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("Errno")
            .field("code", &self.0)
            .field("name", &self.name())
            .field("message", &self.message())
            .finish()
    }
}
impl fmt::Display for Errno {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "{} (error {})", self.name(), self.0)
    }
}

#[cfg(feature = "std")]
extern crate std;
#[cfg(feature = "std")]
impl std::error::Error for Errno {}

/// File descriptor rights.
pub type Rights = u64;
/// The right to invoke `fd_datasync`.
/// If `path_open` is set, includes the right to invoke
/// `path_open` with `fdflags::dsync`.
pub const RIGHTS_FD_DATASYNC: Rights = 1 << 0;
/// The right to invoke `fd_read` and `sock_recv`.
/// If `rights::fd_seek` is set, includes the right to invoke `fd_pread`.
pub const RIGHTS_FD_READ: Rights = 1 << 1;
/// The right to invoke `fd_seek`. This flag implies `rights::fd_tell`.
pub const RIGHTS_FD_SEEK: Rights = 1 << 2;
/// The right to invoke `fd_fdstat_set_flags`.
pub const RIGHTS_FD_FDSTAT_SET_FLAGS: Rights = 1 << 3;
/// The right to invoke `fd_sync`.
/// If `path_open` is set, includes the right to invoke
/// `path_open` with `fdflags::rsync` and `fdflags::dsync`.
pub const RIGHTS_FD_SYNC: Rights = 1 << 4;
/// The right to invoke `fd_seek` in such a way that the file offset
/// remains unaltered (i.e., `whence::cur` with offset zero), or to
/// invoke `fd_tell`.
pub const RIGHTS_FD_TELL: Rights = 1 << 5;
/// The right to invoke `fd_write` and `sock_send`.
/// If `rights::fd_seek` is set, includes the right to invoke `fd_pwrite`.
pub const RIGHTS_FD_WRITE: Rights = 1 << 6;
/// The right to invoke `fd_advise`.
pub const RIGHTS_FD_ADVISE: Rights = 1 << 7;
/// The right to invoke `fd_allocate`.
pub const RIGHTS_FD_ALLOCATE: Rights = 1 << 8;
/// The right to invoke `path_create_directory`.
pub const RIGHTS_PATH_CREATE_DIRECTORY: Rights = 1 << 9;
/// If `path_open` is set, the right to invoke `path_open` with `oflags::creat`.
pub const RIGHTS_PATH_CREATE_FILE: Rights = 1 << 10;
/// The right to invoke `path_link` with the file descriptor as the
/// source directory.
pub const RIGHTS_PATH_LINK_SOURCE: Rights = 1 << 11;
/// The right to invoke `path_link` with the file descriptor as the
/// target directory.
pub const RIGHTS_PATH_LINK_TARGET: Rights = 1 << 12;
/// The right to invoke `path_open`.
pub const RIGHTS_PATH_OPEN: Rights = 1 << 13;
/// The right to invoke `fd_readdir`.
pub const RIGHTS_FD_READDIR: Rights = 1 << 14;
/// The right to invoke `path_readlink`.
pub const RIGHTS_PATH_READLINK: Rights = 1 << 15;
/// The right to invoke `path_rename` with the file descriptor as the source directory.
pub const RIGHTS_PATH_RENAME_SOURCE: Rights = 1 << 16;
/// The right to invoke `path_rename` with the file descriptor as the target directory.
pub const RIGHTS_PATH_RENAME_TARGET: Rights = 1 << 17;
/// The right to invoke `path_filestat_get`.
pub const RIGHTS_PATH_FILESTAT_GET: Rights = 1 << 18;
/// The right to change a file's size (there is no `path_filestat_set_size`).
/// If `path_open` is set, includes the right to invoke `path_open` with `oflags::trunc`.
pub const RIGHTS_PATH_FILESTAT_SET_SIZE: Rights = 1 << 19;
/// The right to invoke `path_filestat_set_times`.
pub const RIGHTS_PATH_FILESTAT_SET_TIMES: Rights = 1 << 20;
/// The right to invoke `fd_filestat_get`.
pub const RIGHTS_FD_FILESTAT_GET: Rights = 1 << 21;
/// The right to invoke `fd_filestat_set_size`.
pub const RIGHTS_FD_FILESTAT_SET_SIZE: Rights = 1 << 22;
/// The right to invoke `fd_filestat_set_times`.
pub const RIGHTS_FD_FILESTAT_SET_TIMES: Rights = 1 << 23;
/// The right to invoke `path_symlink`.
pub const RIGHTS_PATH_SYMLINK: Rights = 1 << 24;
/// The right to invoke `path_remove_directory`.
pub const RIGHTS_PATH_REMOVE_DIRECTORY: Rights = 1 << 25;
/// The right to invoke `path_unlink_file`.
pub const RIGHTS_PATH_UNLINK_FILE: Rights = 1 << 26;
/// If `rights::fd_read` is set, includes the right to invoke `poll_oneoff` to subscribe to `eventtype::fd_read`.
/// If `rights::fd_write` is set, includes the right to invoke `poll_oneoff` to subscribe to `eventtype::fd_write`.
pub const RIGHTS_POLL_FD_READWRITE: Rights = 1 << 27;
/// The right to invoke `sock_shutdown`.
pub const RIGHTS_SOCK_SHUTDOWN: Rights = 1 << 28;
/// The right to invoke `sock_accept`.
pub const RIGHTS_SOCK_ACCEPT: Rights = 1 << 29;

/// A file descriptor.
pub type Fd = u32;
#[repr(C)]
#[derive(Copy, Clone, Debug)]
/// A scatter/gather buffer for input operations.
pub struct Iovec {
    /// The address of the buffer to be filled.
    pub buf: *mut u8,
    /// The length of the buffer to be filled.
    pub buf_len: Size,
}
#[repr(C)]
#[derive(Copy, Clone, Debug)]
/// A scatter/gather buffer for output operations.
pub struct Ciovec {
    /// The address of the buffer to be written.
    pub buf: *const u8,
    /// The length of the buffer to be written.
    pub buf_len: Size,
}
/// An array of input buffers.
pub type IovecArray<'a> = &'a [Iovec];
/// An array of output buffers.
pub type CiovecArray<'a> = &'a [Ciovec];
/// Relative offset within a file.
pub type Filedelta = i64;
#[repr(transparent)]
#[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)]
/// Relative seeking position.
pub struct Whence(u8);
/// Seek relative to start-of-file.
pub const WHENCE_SET: Whence = Whence(0);
/// Seek relative to current position.
pub const WHENCE_CUR: Whence = Whence(1);
/// Seek relative to end-of-file.
pub const WHENCE_END: Whence = Whence(2);
impl Whence {
    /// Returns the raw underlying value of the whence identifier.
    pub const fn raw(&self) -> u8 {
        self.0
    }

    /// Returns the name of the whence identifier as a string.
    pub fn name(&self) -> &'static str {
        match self.0 {
            0 => "SET",
            1 => "CUR",
            2 => "END",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
    /// Returns a descriptive message for the whence identifier.
    pub fn message(&self) -> &'static str {
        match self.0 {
            0 => "Seek relative to start-of-file.",
            1 => "Seek relative to current position.",
            2 => "Seek relative to end-of-file.",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
}
impl fmt::Debug for Whence {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("Whence")
            .field("code", &self.0)
            .field("name", &self.name())
            .field("message", &self.message())
            .finish()
    }
}

/// A directory cookie.
pub type Dircookie = u64;
/// Length of a directory name.
pub type Dirnamlen = u32;
/// An inode number.
pub type Inode = u64;
#[repr(transparent)]
#[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)]
/// The type of a file.
pub struct Filetype(u8);
/// The type of the file descriptor or file is unknown or is different from any of the other types specified.
pub const FILETYPE_UNKNOWN: Filetype = Filetype(0);
/// The file descriptor or file refers to a block device inode.
pub const FILETYPE_BLOCK_DEVICE: Filetype = Filetype(1);
/// The file descriptor or file refers to a character device inode.
pub const FILETYPE_CHARACTER_DEVICE: Filetype = Filetype(2);
/// The file descriptor or file refers to a directory inode.
pub const FILETYPE_DIRECTORY: Filetype = Filetype(3);
/// The file descriptor or file refers to a regular file inode.
pub const FILETYPE_REGULAR_FILE: Filetype = Filetype(4);
/// The file descriptor or file refers to a datagram socket.
pub const FILETYPE_SOCKET_DGRAM: Filetype = Filetype(5);
/// The file descriptor or file refers to a byte-stream socket.
pub const FILETYPE_SOCKET_STREAM: Filetype = Filetype(6);
/// The file refers to a symbolic link inode.
pub const FILETYPE_SYMBOLIC_LINK: Filetype = Filetype(7);
impl Filetype {
    /// Returns the raw underlying value of the file type.
    pub const fn raw(&self) -> u8 {
        self.0
    }

    /// Returns the name of the file type as a string.
    pub fn name(&self) -> &'static str {
        match self.0 {
            0 => "UNKNOWN",
            1 => "BLOCK_DEVICE",
            2 => "CHARACTER_DEVICE",
            3 => "DIRECTORY",
            4 => "REGULAR_FILE",
            5 => "SOCKET_DGRAM",
            6 => "SOCKET_STREAM",
            7 => "SYMBOLIC_LINK",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
    /// Returns a descriptive message for the file type.
    pub fn message(&self) -> &'static str {
        match self.0 {
            0 => {
                "The type of the file descriptor or file is unknown or is different from any of the other types specified."
            }
            1 => "The file descriptor or file refers to a block device inode.",
            2 => "The file descriptor or file refers to a character device inode.",
            3 => "The file descriptor or file refers to a directory inode.",
            4 => "The file descriptor or file refers to a regular file inode.",
            5 => "The file descriptor or file refers to a datagram socket.",
            6 => "The file descriptor or file refers to a byte-stream socket.",
            7 => "The file refers to a symbolic link inode.",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
}
impl fmt::Debug for Filetype {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("Filetype")
            .field("code", &self.0)
            .field("name", &self.name())
            .field("message", &self.message())
            .finish()
    }
}

#[repr(C)]
#[derive(Copy, Clone, Debug)]
/// A directory entry.
pub struct Dirent {
    /// The offset of the next directory entry stored in this directory.
    pub d_next: Dircookie,
    /// The serial number of the file referred to by this directory entry.
    pub d_ino: Inode,
    /// The length of the name of the directory entry.
    pub d_namlen: Dirnamlen,
    /// The type of the file referred to by this directory entry.
    pub d_type: Filetype,
}
#[repr(transparent)]
#[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)]
/// File advisory information.
pub struct Advice(u8);
/// The application has no advice to give on its behavior with respect to the specified data.
pub const ADVICE_NORMAL: Advice = Advice(0);
/// The application expects to access the specified data sequentially from lower offsets to higher offsets.
pub const ADVICE_SEQUENTIAL: Advice = Advice(1);
/// The application expects to access the specified data in a random order.
pub const ADVICE_RANDOM: Advice = Advice(2);
/// The application expects to access the specified data in the near future.
pub const ADVICE_WILLNEED: Advice = Advice(3);
/// The application expects that it will not access the specified data in the near future.
pub const ADVICE_DONTNEED: Advice = Advice(4);
/// The application expects to access the specified data once and then not reuse it thereafter.
pub const ADVICE_NOREUSE: Advice = Advice(5);
impl Advice {
    /// Returns the raw underlying value of the advice.
    pub const fn raw(&self) -> u8 {
        self.0
    }

    /// Returns the name of the advice as a string.
    pub fn name(&self) -> &'static str {
        match self.0 {
            0 => "NORMAL",
            1 => "SEQUENTIAL",
            2 => "RANDOM",
            3 => "WILLNEED",
            4 => "DONTNEED",
            5 => "NOREUSE",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
    /// Returns a descriptive message for the advice.
    pub fn message(&self) -> &'static str {
        match self.0 {
            0 => {
                "The application has no advice to give on its behavior with respect to the specified data."
            }
            1 => {
                "The application expects to access the specified data sequentially from lower offsets to higher offsets."
            }
            2 => "The application expects to access the specified data in a random order.",
            3 => "The application expects to access the specified data in the near future.",
            4 => {
                "The application expects that it will not access the specified data in the near future."
            }
            5 => {
                "The application expects to access the specified data once and then not reuse it thereafter."
            }
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
}
impl fmt::Debug for Advice {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("Advice")
            .field("code", &self.0)
            .field("name", &self.name())
            .field("message", &self.message())
            .finish()
    }
}

/// Flags providing affect how a file descriptor behaves.
pub type Fdflags = u16;
/// Append mode: Data written to the file is always appended to the file's end.
pub const FDFLAGS_APPEND: Fdflags = 1 << 0;
/// Write according to synchronized I/O data integrity completion. Only the data stored in the file is synchronized.
pub const FDFLAGS_DSYNC: Fdflags = 1 << 1;
/// Non-blocking mode.
pub const FDFLAGS_NONBLOCK: Fdflags = 1 << 2;
/// Synchronized read I/O operations.
pub const FDFLAGS_RSYNC: Fdflags = 1 << 3;
/// Write according to synchronized I/O file integrity completion. In
/// addition to synchronizing the data stored in the file, the implementation
/// may also synchronously update the file's metadata.
pub const FDFLAGS_SYNC: Fdflags = 1 << 4;

#[repr(C)]
#[derive(Copy, Clone, Debug)]
/// File descriptor statistics.
pub struct Fdstat {
    /// File type.
    pub fs_filetype: Filetype,
    /// File descriptor flags.
    pub fs_flags: Fdflags,
    /// Rights that apply to this file descriptor.
    pub fs_rights_base: Rights,
    /// Maximum set of rights that may be installed on new file descriptors that
    /// are created through this file descriptor, e.g., through `path_open`.
    pub fs_rights_inheriting: Rights,
}
/// Device ID.
pub type Device = u64;
/// Flags providing affect how file timestamps are adjusted.
pub type Fstflags = u16;
/// Adjust the last data access timestamp to the value stored in `filestat::atim`.
pub const FSTFLAGS_ATIM: Fstflags = 1 << 0;
/// Adjust the last data access timestamp to the time of clock `clockid::realtime`.
pub const FSTFLAGS_ATIM_NOW: Fstflags = 1 << 1;
/// Adjust the last data modification timestamp to the value stored in `filestat::mtim`.
pub const FSTFLAGS_MTIM: Fstflags = 1 << 2;
/// Adjust the last data modification timestamp to the time of clock `clockid::realtime`.
pub const FSTFLAGS_MTIM_NOW: Fstflags = 1 << 3;

/// Flags affecting path resolution.
pub type Lookupflags = u32;
/// As long as the resolved path corresponds to a symbolic link, it is expanded.
pub const LOOKUPFLAGS_SYMLINK_FOLLOW: Lookupflags = 1 << 0;

/// Open flags used by `path_open`.
pub type Oflags = u16;
/// Create file if it does not exist.
pub const OFLAGS_CREAT: Oflags = 1 << 0;
/// Fail if not a directory.
pub const OFLAGS_DIRECTORY: Oflags = 1 << 1;
/// Fail if file already exists.
pub const OFLAGS_EXCL: Oflags = 1 << 2;
/// Truncate file to size 0.
pub const OFLAGS_TRUNC: Oflags = 1 << 3;

/// Number of hard links to an inode.
pub type Linkcount = u64;
#[repr(C)]
#[derive(Copy, Clone, Debug)]
/// File statistics.
pub struct Filestat {
    /// Device ID of device containing the file.
    pub dev: Device,
    /// File serial number.
    pub ino: Inode,
    /// File type.
    pub filetype: Filetype,
    /// Number of hard links to the file.
    pub nlink: Linkcount,
    /// For regular files, the file size in bytes. For symbolic links, the length in bytes of the pathname contained in the symbolic link.
    pub size: Filesize,
    /// Last data access timestamp.
    pub atim: Timestamp,
    /// Last data modification timestamp.
    pub mtim: Timestamp,
    /// Last file status change timestamp.
    pub ctim: Timestamp,
}
/// User-provided data that can be attached to subscriptions.
pub type Userdata = u64;
#[repr(transparent)]
#[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)]
/// Type of an event that can occur.
pub struct Eventtype(u8);
/// The time value of clock `subscription_clock::id` has
/// reached timestamp `subscription_clock::timeout`.
pub const EVENTTYPE_CLOCK: Eventtype = Eventtype(0);
/// File descriptor `subscription_fd_readwrite::file_descriptor` has data
/// available for reading. This event always triggers for regular files.
pub const EVENTTYPE_FD_READ: Eventtype = Eventtype(1);
/// File descriptor `subscription_fd_readwrite::file_descriptor` has capacity
/// available for writing. This event always triggers for regular files.
pub const EVENTTYPE_FD_WRITE: Eventtype = Eventtype(2);
impl Eventtype {
    /// Returns the raw underlying value of the event type.
    pub const fn raw(&self) -> u8 {
        self.0
    }

    /// Returns the name of the event type as a string.
    pub fn name(&self) -> &'static str {
        match self.0 {
            0 => "CLOCK",
            1 => "FD_READ",
            2 => "FD_WRITE",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
    /// Returns a descriptive message for the event type.
    pub fn message(&self) -> &'static str {
        match self.0 {
            0 => {
                "The time value of clock `subscription_clock::id` has
reached timestamp `subscription_clock::timeout`."
            }
            1 => {
                "File descriptor `subscription_fd_readwrite::file_descriptor` has data
available for reading. This event always triggers for regular files."
            }
            2 => {
                "File descriptor `subscription_fd_readwrite::file_descriptor` has capacity
available for writing. This event always triggers for regular files."
            }
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
}
impl fmt::Debug for Eventtype {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("Eventtype")
            .field("code", &self.0)
            .field("name", &self.name())
            .field("message", &self.message())
            .finish()
    }
}

/// Flags that can be associated with an event.
pub type Eventrwflags = u16;
/// The peer of this socket has closed or disconnected.
pub const EVENTRWFLAGS_FD_READWRITE_HANGUP: Eventrwflags = 1 << 0;

#[repr(C)]
#[derive(Copy, Clone, Debug)]
/// Event contents for `EVENTTYPE_FD_READ` or `EVENTTYPE_FD_WRITE`.
pub struct EventFdReadwrite {
    /// The number of bytes available for reading or writing.
    pub nbytes: Filesize,
    /// The state of the file descriptor.
    pub flags: Eventrwflags,
}
#[repr(C)]
#[derive(Copy, Clone, Debug)]
/// An occurrence of an event.
pub struct Event {
    /// User-provided value that got attached to `subscription::userdata`.
    pub userdata: Userdata,
    /// If non-zero, an error that occurred while processing the subscription request.
    pub error: Errno,
    /// The type of event that occured
    pub type_: Eventtype,
    /// The contents of the event, if it is an `eventtype::fd_read` or
    /// `eventtype::fd_write`. `eventtype::clock` events ignore this field.
    pub fd_readwrite: EventFdReadwrite,
}
/// Flags affecting a subscription to a clock.
pub type Subclockflags = u16;
/// If set, treat the timestamp provided in
/// `subscription_clock::timeout` as an absolute timestamp of clock
/// `subscription_clock::id`. If clear, treat the timestamp
/// provided in `subscription_clock::timeout` relative to the
/// current time value of clock `subscription_clock::id`.
pub const SUBCLOCKFLAGS_SUBSCRIPTION_CLOCK_ABSTIME: Subclockflags = 1 << 0;

#[repr(C)]
#[derive(Copy, Clone, Debug)]
/// Subscription details for a clock event.
pub struct SubscriptionClock {
    /// The clock against which to compare the timestamp.
    pub id: Clockid,
    /// The absolute or relative timestamp.
    pub timeout: Timestamp,
    /// The amount of time that the implementation may wait additionally
    /// to coalesce with other events.
    pub precision: Timestamp,
    /// Flags specifying whether the timeout is absolute or relative
    pub flags: Subclockflags,
}
#[repr(C)]
#[derive(Copy, Clone, Debug)]
/// Subscription details for a file descriptor read or write event.
pub struct SubscriptionFdReadwrite {
    /// The file descriptor on which to wait for it to become ready for reading or writing.
    pub file_descriptor: Fd,
}
#[repr(C)]
#[derive(Copy, Clone)]
/// The union of subscription contents.
pub union SubscriptionUU {
    /// Subscription details for a clock event.
    pub clock: SubscriptionClock,
    /// Subscription details for a file descriptor read event.
    pub fd_read: SubscriptionFdReadwrite,
    /// Subscription details for a file descriptor write event.
    pub fd_write: SubscriptionFdReadwrite,
}
#[repr(C)]
#[derive(Copy, Clone)]
/// A container for the type-tagged subscription union.
pub struct SubscriptionU {
    /// The type of the event.
    pub tag: u8,
    /// The subscription details.
    pub u: SubscriptionUU,
}

#[repr(C)]
#[derive(Copy, Clone)]
/// A request for an event.
pub struct Subscription {
    /// User-provided value that is attached to the subscription in the
    /// implementation and returned through `event::userdata`.
    pub userdata: Userdata,
    /// The type of the event to which to subscribe, and its contents
    pub u: SubscriptionU,
}
/// Exit code returned by processes.
pub type Exitcode = u32;
#[repr(transparent)]
#[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)]
/// Signal identifiers.
pub struct Signal(u8);
/// No signal. Note that POSIX has special semantics for `kill(pid, 0)`,
/// so this value is reserved.
pub const SIGNAL_NONE: Signal = Signal(0);
/// Hangup.
/// Action: Terminates the process.
pub const SIGNAL_HUP: Signal = Signal(1);
/// Terminate interrupt signal.
/// Action: Terminates the process.
pub const SIGNAL_INT: Signal = Signal(2);
/// Terminal quit signal.
/// Action: Terminates the process.
pub const SIGNAL_QUIT: Signal = Signal(3);
/// Illegal instruction.
/// Action: Terminates the process.
pub const SIGNAL_ILL: Signal = Signal(4);
/// Trace/breakpoint trap.
/// Action: Terminates the process.
pub const SIGNAL_TRAP: Signal = Signal(5);
/// Process abort signal.
/// Action: Terminates the process.
pub const SIGNAL_ABRT: Signal = Signal(6);
/// Access to an undefined portion of a memory object.
/// Action: Terminates the process.
pub const SIGNAL_BUS: Signal = Signal(7);
/// Erroneous arithmetic operation.
/// Action: Terminates the process.
pub const SIGNAL_FPE: Signal = Signal(8);
/// Kill.
/// Action: Terminates the process.
pub const SIGNAL_KILL: Signal = Signal(9);
/// User-defined signal 1.
/// Action: Terminates the process.
pub const SIGNAL_USR1: Signal = Signal(10);
/// Invalid memory reference.
/// Action: Terminates the process.
pub const SIGNAL_SEGV: Signal = Signal(11);
/// User-defined signal 2.
/// Action: Terminates the process.
pub const SIGNAL_USR2: Signal = Signal(12);
/// Write on a pipe with no one to read it.
/// Action: Ignored.
pub const SIGNAL_PIPE: Signal = Signal(13);
/// Alarm clock.
/// Action: Terminates the process.
pub const SIGNAL_ALRM: Signal = Signal(14);
/// Termination signal.
/// Action: Terminates the process.
pub const SIGNAL_TERM: Signal = Signal(15);
/// Child process terminated, stopped, or continued.
/// Action: Ignored.
pub const SIGNAL_CHLD: Signal = Signal(16);
/// Continue executing, if stopped.
/// Action: Continues executing, if stopped.
pub const SIGNAL_CONT: Signal = Signal(17);
/// Stop executing.
/// Action: Stops executing.
pub const SIGNAL_STOP: Signal = Signal(18);
/// Terminal stop signal.
/// Action: Stops executing.
pub const SIGNAL_TSTP: Signal = Signal(19);
/// Background process attempting read.
/// Action: Stops executing.
pub const SIGNAL_TTIN: Signal = Signal(20);
/// Background process attempting write.
/// Action: Stops executing.
pub const SIGNAL_TTOU: Signal = Signal(21);
/// High bandwidth data is available at a socket.
/// Action: Ignored.
pub const SIGNAL_URG: Signal = Signal(22);
/// CPU time limit exceeded.
/// Action: Terminates the process.
pub const SIGNAL_XCPU: Signal = Signal(23);
/// File size limit exceeded.
/// Action: Terminates the process.
pub const SIGNAL_XFSZ: Signal = Signal(24);
/// Virtual timer expired.
/// Action: Terminates the process.
pub const SIGNAL_VTALRM: Signal = Signal(25);
/// Profiling timer expired.
/// Action: Terminates the process.
pub const SIGNAL_PROF: Signal = Signal(26);
/// Window changed.
/// Action: Ignored.
pub const SIGNAL_WINCH: Signal = Signal(27);
/// I/O possible.
/// Action: Terminates the process.
pub const SIGNAL_POLL: Signal = Signal(28);
/// Power failure.
/// Action: Terminates the process.
pub const SIGNAL_PWR: Signal = Signal(29);
/// Bad system call.
/// Action: Terminates the process.
pub const SIGNAL_SYS: Signal = Signal(30);
impl Signal {
    /// Returns the raw underlying value of the signal.
    pub const fn raw(&self) -> u8 {
        self.0
    }

    /// Returns the name of the signal as a string.
    pub fn name(&self) -> &'static str {
        match self.0 {
            0 => "NONE",
            1 => "HUP",
            2 => "INT",
            3 => "QUIT",
            4 => "ILL",
            5 => "TRAP",
            6 => "ABRT",
            7 => "BUS",
            8 => "FPE",
            9 => "KILL",
            10 => "USR1",
            11 => "SEGV",
            12 => "USR2",
            13 => "PIPE",
            14 => "ALRM",
            15 => "TERM",
            16 => "CHLD",
            17 => "CONT",
            18 => "STOP",
            19 => "TSTP",
            20 => "TTIN",
            21 => "TTOU",
            22 => "URG",
            23 => "XCPU",
            24 => "XFSZ",
            25 => "VTALRM",
            26 => "PROF",
            27 => "WINCH",
            28 => "POLL",
            29 => "PWR",
            30 => "SYS",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
    /// Returns a descriptive message for the signal.
    pub fn message(&self) -> &'static str {
        match self.0 {
            0 => {
                "No signal. Note that POSIX has special semantics for `kill(pid, 0)`,
so this value is reserved."
            }
            1 => {
                "Hangup.
Action: Terminates the process."
            }
            2 => {
                "Terminate interrupt signal.
Action: Terminates the process."
            }
            3 => {
                "Terminal quit signal.
Action: Terminates the process."
            }
            4 => {
                "Illegal instruction.
Action: Terminates the process."
            }
            5 => {
                "Trace/breakpoint trap.
Action: Terminates the process."
            }
            6 => {
                "Process abort signal.
Action: Terminates the process."
            }
            7 => {
                "Access to an undefined portion of a memory object.
Action: Terminates the process."
            }
            8 => {
                "Erroneous arithmetic operation.
Action: Terminates the process."
            }
            9 => {
                "Kill.
Action: Terminates the process."
            }
            10 => {
                "User-defined signal 1.
Action: Terminates the process."
            }
            11 => {
                "Invalid memory reference.
Action: Terminates the process."
            }
            12 => {
                "User-defined signal 2.
Action: Terminates the process."
            }
            13 => {
                "Write on a pipe with no one to read it.
Action: Ignored."
            }
            14 => {
                "Alarm clock.
Action: Terminates the process."
            }
            15 => {
                "Termination signal.
Action: Terminates the process."
            }
            16 => {
                "Child process terminated, stopped, or continued.
Action: Ignored."
            }
            17 => {
                "Continue executing, if stopped.
Action: Continues executing, if stopped."
            }
            18 => {
                "Stop executing.
Action: Stops executing."
            }
            19 => {
                "Terminal stop signal.
Action: Stops executing."
            }
            20 => {
                "Background process attempting read.
Action: Stops executing."
            }
            21 => {
                "Background process attempting write.
Action: Stops executing."
            }
            22 => {
                "High bandwidth data is available at a socket.
Action: Ignored."
            }
            23 => {
                "CPU time limit exceeded.
Action: Terminates the process."
            }
            24 => {
                "File size limit exceeded.
Action: Terminates the process."
            }
            25 => {
                "Virtual timer expired.
Action: Terminates the process."
            }
            26 => {
                "Profiling timer expired.
Action: Terminates the process."
            }
            27 => {
                "Window changed.
Action: Ignored."
            }
            28 => {
                "I/O possible.
Action: Terminates the process."
            }
            29 => {
                "Power failure.
Action: Terminates the process."
            }
            30 => {
                "Bad system call.
Action: Terminates the process."
            }
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
}
impl fmt::Debug for Signal {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("Signal")
            .field("code", &self.0)
            .field("name", &self.name())
            .field("message", &self.message())
            .finish()
    }
}

/// Flags affecting how a socket receive operation behaves.
pub type Riflags = u16;
/// Returns the message without removing it from the socket's receive queue.
pub const RIFLAGS_RECV_PEEK: Riflags = 1 << 0;
/// On byte-stream sockets, block until the full amount of data can be returned.
pub const RIFLAGS_RECV_WAITALL: Riflags = 1 << 1;

/// Flags providing information about a completed socket receive operation.
pub type Roflags = u16;
/// Returned by `sock_recv`: Message data has been truncated.
pub const ROFLAGS_RECV_DATA_TRUNCATED: Roflags = 1 << 0;

/// Flags affecting how a socket send operation behaves.
pub type Siflags = u16;
/// Flags affecting how a socket is shut down.
pub type Sdflags = u8;
/// Disables further receive operations.
pub const SDFLAGS_RD: Sdflags = 1 << 0;
/// Disables further send operations.
pub const SDFLAGS_WR: Sdflags = 1 << 1;

#[repr(transparent)]
#[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)]
/// Type of a pre-opened resource.
pub struct Preopentype(u8);
/// A pre-opened directory.
pub const PREOPENTYPE_DIR: Preopentype = Preopentype(0);
impl Preopentype {
    /// Returns the raw underlying value of the pre-open type.
    pub const fn raw(&self) -> u8 {
        self.0
    }

    /// Returns the name of the pre-open type as a string.
    pub fn name(&self) -> &'static str {
        match self.0 {
            0 => "DIR",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
    /// Returns a descriptive message for the pre-open type.
    pub fn message(&self) -> &'static str {
        match self.0 {
            0 => "A pre-opened directory.",
            _ => unsafe { core::hint::unreachable_unchecked() },
        }
    }
}
impl fmt::Debug for Preopentype {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("Preopentype")
            .field("code", &self.0)
            .field("name", &self.name())
            .field("message", &self.message())
            .finish()
    }
}

#[repr(C)]
#[derive(Copy, Clone, Debug)]
/// Information about a pre-opened directory.
pub struct PrestatDir {
    /// The length of the directory name for use with `fd_prestat_dir_name`.
    pub pr_name_len: Size,
}
#[repr(C)]
#[derive(Copy, Clone)]
/// Union of possible pre-open statistics.
pub union PrestatU {
    /// Detailed information about the pre-opened directory.
    pub dir: PrestatDir,
}
#[repr(C)]
#[derive(Copy, Clone)]
/// Statistics about a pre-opened resource.
pub struct Prestat {
    /// The type of pre-opened resource.
    pub tag: u8,
    /// Detailed information about the resource.
    pub u: PrestatU,
}

#[allow(unused)]
/// Ref https://docs.rs/wasi/0.11.1+wasi-snapshot-preview1/wasi/wasi_snapshot_preview1/index.html
/// This module contains the bindings for the WASI snapshot preview1 ABI.
pub mod wasi_snapshot_preview1 {
    /// Writes to a file descriptor.
    pub unsafe extern "C" fn fd_write(arg0: i32, arg1: i32, arg2: i32, arg3: i32) -> i32 {
        unimplemented!("wasi_snapshot_preview1::fd_write");
    }
}