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    protocol not available

.. c:macro:: UV_ENOSPC

    no space left on device

.. c:macro:: UV_ENOSYS

    function not implemented

.. c:macro:: UV_ENOTCONN

    socket is not connected

.. c:macro:: UV_ENOTDIR

    not a directory

.. c:macro:: UV_ENOTEMPTY

    directory not empty

.. c:macro:: UV_ENOTSOCK

    socket operation on non-socket

.. c:macro:: UV_ENOTSUP

    operation not supported on socket

.. c:macro:: UV_EPERM

    operation not permitted

.. c:macro:: UV_EPIPE

    broken pipe

.. c:macro:: UV_EPROTO

    protocol error

.. c:macro:: UV_EPROTONOSUPPORT

    protocol not supported

.. c:macro:: UV_EPROTOTYPE

    protocol wrong type for socket

.. c:macro:: UV_ERANGE

    result too large

.. c:macro:: UV_EROFS

    read-only file system

.. c:macro:: UV_ESHUTDOWN

    cannot send after transport endpoint shutdown

.. c:macro:: UV_ESPIPE

    invalid seek

.. c:macro:: UV_ESRCH

    no such process

.. c:macro:: UV_ETIMEDOUT

    connection timed out

.. c:macro:: UV_ETXTBSY

    text file is busy

.. c:macro:: UV_EXDEV

    cross-device link not permitted

.. c:macro:: UV_UNKNOWN

    unknown error

.. c:macro:: UV_EOF

    end of file

.. c:macro:: UV_ENXIO

    no such device or address

.. c:macro:: UV_EMLINK

    too many links


API
---

.. c:function:: UV_ERRNO_MAP(iter_macro)

    Macro that expands to a series of invocations of `iter_macro` for
    each of the error constants above. `iter_macro` is invoked with two
    arguments: the name of the error constant without the `UV_` prefix,
    and the error message string literal.

.. c:function:: const char* uv_strerror(int err)

    Returns the error message for the given error code.  Leaks a few bytes
    of memory when you call it with an unknown error code.

.. c:function:: char* uv_strerror_r(int err, char* buf, size_t buflen)

    Returns the error message for the given error code. The zero-terminated
    message is stored in the user-supplied buffer `buf` of at most `buflen` bytes.

    .. versionadded:: 1.22.0