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4th chunk of `runtime/doc/luvref.txt`
e459ee5a5683aca4751cfb89c40e6fbc7c93386c692720070000000100000fa0

(https://docs.libuv.org/en/v1.x/errors.html#error-constants)

- `E2BIG`: argument list too long.
- `EACCES`: permission denied.
- `EADDRINUSE`: address already in use.
- `EADDRNOTAVAIL`: address not available.
- `EAFNOSUPPORT`: address family not supported.
- `EAGAIN`: resource temporarily unavailable.
- `EAI_ADDRFAMILY`: address family not supported.
- `EAI_AGAIN`: temporary failure.
- `EAI_BADFLAGS`: bad ai_flags value.
- `EAI_BADHINTS`: invalid value for hints.
- `EAI_CANCELED`: request canceled.
- `EAI_FAIL`: permanent failure.
- `EAI_FAMILY`: ai_family not supported.
- `EAI_MEMORY`: out of memory.
- `EAI_NODATA`: no address.
- `EAI_NONAME`: unknown node or service.
- `EAI_OVERFLOW`: argument buffer overflow.
- `EAI_PROTOCOL`: resolved protocol is unknown.
- `EAI_SERVICE`: service not available for socket type.
- `EAI_SOCKTYPE`: socket type not supported.
- `EALREADY`: connection already in progress.
- `EBADF`: bad file descriptor.
- `EBUSY`: resource busy or locked.
- `ECANCELED`: operation canceled.
- `ECHARSET`: invalid Unicode character.
- `ECONNABORTED`: software caused connection abort.
- `ECONNREFUSED`: connection refused.
- `ECONNRESET`: connection reset by peer.
- `EDESTADDRREQ`: destination address required.
- `EEXIST`: file already exists.
- `EFAULT`: bad address in system call argument.
- `EFBIG`: file too large.
- `EHOSTUNREACH`: host is unreachable.
- `EINTR`: interrupted system call.
- `EINVAL`: invalid argument.
- `EIO`: i/o error.
- `EISCONN`: socket is already connected.
- `EISDIR`: illegal operation on a directory.
- `ELOOP`: too many symbolic links encountered.
- `EMFILE`: too many open files.
- `EMSGSIZE`: message too long.
- `ENAMETOOLONG`: name too long.
- `ENETDOWN`: network is down.
- `ENETUNREACH`: network is unreachable.
- `ENFILE`: file table overflow.
- `ENOBUFS`: no buffer space available.
- `ENODEV`: no such device.
- `ENOENT`: no such file or directory.
- `ENOMEM`: not enough memory.
- `ENONET`: machine is not on the network.
- `ENOPROTOOPT`: protocol not available.
- `ENOSPC`: no space left on device.
- `ENOSYS`: function not implemented.
- `ENOTCONN`: socket is not connected.
- `ENOTDIR`: not a directory.
- `ENOTEMPTY`: directory not empty.
- `ENOTSOCK`: socket operation on non-socket.
- `ENOTSUP`: operation not supported on socket.
- `EOVERFLOW`: value too large for defined data type.
- `EPERM`: operation not permitted.
- `EPIPE`: broken pipe.
- `EPROTO`: protocol error.
- `EPROTONOSUPPORT`: protocol not supported.
- `EPROTOTYPE`: protocol wrong type for socket.
- `ERANGE`: result too large.
- `EROFS`: read-only file system.
- `ESHUTDOWN`: cannot send after transport endpoint shutdown.
- `ESPIPE`: invalid seek.
- `ESRCH`: no such process.
- `ETIMEDOUT`: connection timed out.
- `ETXTBSY`: text file is busy.
- `EXDEV`: cross-device link not permitted.
- `UNKNOWN`: unknown error.
- `EOF`: end of file.
- `ENXIO`: no such device or address.
- `EMLINK`: too many links.
- `ENOTTY`: inappropriate ioctl for device.
- `EFTYPE`: inappropriate file type or format.
- `EILSEQ`: illegal byte sequence.
- `ESOCKTNOSUPPORT`: socket type not supported.

==============================================================================
VERSION CHECKING                                          *luv-version-checking*

uv.version()                                                      *uv.version()*

                Returns the libuv version packed into a single integer. 8 bits
                are used for each component, with the patch number stored in
                the 8 least significant bits. For example, this would be
                0x010203 in libuv 1.2.3.

                Returns: `integer`

uv.version_string()                                        *uv.version_string()*

                Returns the libuv version number as a string. For example,
                this would be "1.2.3" in libuv 1.2.3. For non-release
                versions, the version suffix is included.

                Returns: `string`
Title: Error Code List and Version Checking
Summary
This section provides an extensive list of error codes and their corresponding descriptions, covering a wide range of potential issues, such as permission errors, address problems, resource unavailability, and more. It also describes the `uv.version()` function, which returns the libuv version as an integer, and the `uv.version_string()` function, which returns the libuv version as a string.