#endif
#ifdef EAFNOSUPPORT
    case EAFNOSUPPORT: return "EAFNOSUPPORT";
#endif
#ifdef EAGAIN
    case EAGAIN: return "EAGAIN";
#endif



#if defined(EALREADY) && (!defined(EBUSY) || (EALREADY != EBUSY))
    case EALREADY: return "EALREADY";
#endif
#ifdef EBADE
    case EBADE: return "EBADE";
#endif
#ifdef EBADF
    case EBADF: return "EBADF";
#endif
#ifdef EBADFD
    case EBADFD: return "EBADFD";
#endif
#ifdef EBADMSG
    case EBADMSG: return "EBADMSG";
#endif



#ifdef EBADR
    case EBADR: return "EBADR";
#endif
#ifdef EBADRPC
    case EBADRPC: return "EBADRPC";
#endif
#ifdef EBADRQC
    case EBADRQC: return "EBADRQC";
#endif
#ifdef EBADSLT
    case EBADSLT: return "EBADSLT";
#endif
#ifdef EBFONT
    case EBFONT: return "EBFONT";
#endif
#ifdef EBUSY
    case EBUSY: return "EBUSY";
#endif
#ifdef ECANCELED
    case ECANCELED: return "ECANCELED";
#endif
#ifdef ECASECLASH
    case ECASECLASH: return "ECASECLASH";
#endif
#ifdef ECHILD
    case ECHILD: return "ECHILD";
#endif
#ifdef ECHRNG
    case ECHRNG: return "ECHRNG";
#endif
#ifdef ECOMM

#endif
#ifdef EFAULT
    case EFAULT: return "EFAULT";
#endif
#ifdef EFBIG
    case EFBIG: return "EFBIG";
#endif
#ifdef EFTYPE
    case EFTYPE: return "EFTYPE";
#endif
#ifdef EHOSTDOWN
    case EHOSTDOWN: return "EHOSTDOWN";
#endif
#ifdef EHOSTUNREACH
    case EHOSTUNREACH: return "EHOSTUNREACH";
#endif
#if defined(EIDRM) && (!defined(EINPROGRESS) || (EIDRM != EINPROGRESS))

#endif
#ifdef EISDIR
    case EISDIR: return "EISDIR";
#endif
#ifdef EISNAME
    case EISNAM: return "EISNAM";
#endif



#ifdef EL2HLT
    case EL2HLT: return "EL2HLT";
#endif
#ifdef EL2NSYNC
    case EL2NSYNC: return "EL2NSYNC";
#endif
#ifdef EL3HLT
    case EL3HLT: return "EL3HLT";
#endif
#ifdef EL3RST
    case EL3RST: return "EL3RST";
#endif
#ifdef ELBIN
    case ELBIN: return "ELBIN";
#endif
#ifdef ELIBACC
    case ELIBACC: return "ELIBACC";
#endif
#ifdef ELIBBAD
    case ELIBBAD: return "ELIBBAD";
#endif
#ifdef ELIBEXEC

#endif
#ifdef ENAMETOOLONG
    case ENAMETOOLONG: return "ENAMETOOLONG";
#endif
#ifdef ENAVAIL
    case ENAVAIL: return "ENAVAIL";
#endif



#ifdef ENETDOWN
    case ENETDOWN: return "ENETDOWN";
#endif
#ifdef ENETRESET
    case ENETRESET: return "ENETRESET";
#endif
#ifdef ENETUNREACH
    case ENETUNREACH: return "ENETUNREACH";
#endif
#ifdef ENFILE
    case ENFILE: return "ENFILE";
#endif
#ifdef ENMFILE
    case ENMFILE: return "ENMFILE";
#endif
#ifdef ENOANO
    case ENOANO: return "ENOANO";
#endif
#if defined(ENOBUFS) && (!defined(ENOSR) || (ENOBUFS != ENOSR))
    case ENOBUFS: return "ENOBUFS";
#endif
#ifdef ENOCSI

#endif
#ifdef ENOLINK
    case ENOLINK: return "ENOLINK";
#endif
#ifdef ENOMEM
    case ENOMEM: return "ENOMEM";
#endif
#ifdef ENOMEDIUM
    case ENOMEDIUM: return "ENOMEDIUM";
#endif
#ifdef ENOMSG
    case ENOMSG: return "ENOMSG";
#endif
#ifdef ENONET
    case ENONET: return "ENONET";
#endif
#ifdef ENOPKG
    case ENOPKG: return "ENOPKG";
#endif
#ifdef ENOPROTOOPT
    case ENOPROTOOPT: return "ENOPROTOOPT";
#endif
#ifdef ENOSHARE
    case ENOSHARE: return "ENOSHARE";
#endif
#ifdef ENOSPC
    case ENOSPC: return "ENOSPC";
#endif
#if defined(ENOSR) && (!defined(ENAMETOOLONG) || (ENAMETOOLONG != ENOSR))
    case ENOSR: return "ENOSR";
#endif
#if defined(ENOSTR) && (!defined(ENOTTY) || (ENOTTY != ENOSTR))

const char *
Tcl_ErrnoMsg(
     int err)			/* Error number (such as in errno variable). */
{
    switch (err) {
#if defined(E2BIG) && (!defined(EOVERFLOW) || (E2BIG != EOVERFLOW))
    case E2BIG: return "argument list too long";
#endif
#ifdef EACCES
    case EACCES: return "permission denied";
#endif
#ifdef EADDRINUSE
    case EADDRINUSE: return "address already in use";
#endif
#ifdef EADDRNOTAVAIL
    case EADDRNOTAVAIL: return "cannot assign requested address";
#endif
#ifdef EADV
    case EADV: return "advertise error";
#endif
#ifdef EAFNOSUPPORT
    case EAFNOSUPPORT: return "address family not supported by protocol";
#endif
#ifdef EAGAIN
    case EAGAIN: return "resource temporarily unavailable";
#endif



#if defined(EALREADY) && (!defined(EBUSY) || (EALREADY != EBUSY))
    case EALREADY: return "operation already in progress";
#endif
#ifdef EBADE
    case EBADE: return "invalid exchange";
#endif
#ifdef EBADF
    case EBADF: return "bad file descriptor";
#endif
#ifdef EBADFD
    case EBADFD: return "file descriptor in bad state";
#endif
#ifdef EBADMSG
    case EBADMSG: return "bad message";
#endif
#ifdef EBADR
    case EBADR: return "invalid request descriptor";
#endif
#ifdef EBADRPC
    case EBADRPC: return "RPC structure is bad";
#endif
#ifdef EBADRQC
    case EBADRQC: return "invalid request code";
#endif
#ifdef EBADSLT
    case EBADSLT: return "invalid slot";
#endif
#ifdef EBFONT
    case EBFONT: return "bad font file format";
#endif
#ifdef EBUSY
    case EBUSY: return "device or resource busy";
#endif
#ifdef ECANCELED
    case ECANCELED: return "operation canceled";
#endif
#ifdef ECASECLASH
    case ECASECLASH: return "filename exists with different case";
#endif
#ifdef ECHILD
    case ECHILD: return "no child processes";
#endif
#ifdef ECHRNG
    case ECHRNG: return "channel number out of range";
#endif
#ifdef ECOMM
    case ECOMM: return "communication error on send";
#endif
#ifdef ECONNABORTED
    case ECONNABORTED: return "software caused connection abort";
#endif
#ifdef ECONNREFUSED
    case ECONNREFUSED: return "connection refused";
#endif
#ifdef ECONNRESET
    case ECONNRESET: return "connection reset by peer";
#endif
#if defined(EDEADLK) && (!defined(EWOULDBLOCK) || (EDEADLK != EWOULDBLOCK))
    case EDEADLK: return "resource deadlock avoided";
#endif
#if defined(EDEADLOCK) && (!defined(EDEADLK) || (EDEADLOCK != EDEADLK))
    case EDEADLOCK: return "resource deadlock avoided";
#endif
#ifdef EDESTADDRREQ
    case EDESTADDRREQ: return "destination address required";
#endif
#ifdef EDIRTY
    case EDIRTY: return "mounting a dirty fs w/o force";
#endif
#ifdef EDOM
    case EDOM: return "numerical argument out of domain";
#endif
#ifdef EDOTDOT
    case EDOTDOT: return "cross mount point";
#endif
#ifdef EDQUOT
    case EDQUOT: return "disk quota exceeded";
#endif
#ifdef EDUPPKG
    case EDUPPKG: return "duplicate package name";
#endif
#ifdef EEXIST
    case EEXIST: return "file exists";
#endif
#ifdef EFAULT
    case EFAULT: return "bad address";
#endif
#ifdef EFBIG
    case EFBIG: return "file too large";
#endif
#ifdef EFTYPE
    case EFTYPE: return "inappropriate file type or format";
#endif
#ifdef EHOSTDOWN
    case EHOSTDOWN: return "host is down";
#endif
#ifdef EHOSTUNREACH
    case EHOSTUNREACH: return "no route to host";
#endif
#if defined(EIDRM) && (!defined(EINPROGRESS) || (EIDRM != EINPROGRESS))
    case EIDRM: return "identifier removed";
#endif
#ifdef EINIT
    case EINIT: return "initialization error";
#endif
#ifdef EILSEQ
    case EILSEQ: return "invalid or incomplete multibyte or wide character";
#endif
#ifdef EINPROGRESS
    case EINPROGRESS: return "operation now in progress";
#endif
#ifdef EINTR
    case EINTR: return "interrupted system call";
#endif
#ifdef EINVAL
    case EINVAL: return "invalid argument";
#endif
#ifdef EIO
    case EIO: return "input/output error";
#endif
#ifdef EISCONN
    case EISCONN: return "transport endpoint is already connected";
#endif
#ifdef EISDIR
    case EISDIR: return "is a directory";
#endif
#ifdef EISNAME
    case EISNAM: return "is a name file";
#endif



#ifdef EL2HLT
    case EL2HLT: return "level 2 halted";
#endif
#ifdef EL2NSYNC
    case EL2NSYNC: return "level 2 not synchronized";
#endif
#ifdef EL3HLT
    case EL3HLT: return "level 3 halted";
#endif
#ifdef EL3RST
    case EL3RST: return "level 3 reset";
#endif
#ifdef ELBIN
    case ELBIN: return "inode is remote";
#endif
#ifdef ELIBACC
    case ELIBACC: return "can not access a needed shared library";
#endif
#ifdef ELIBBAD
    case ELIBBAD: return "accessing a corrupted shared library";
#endif
#ifdef ELIBEXEC
    case ELIBEXEC: return "cannot exec a shared library directly";
#endif
#if defined(ELIBMAX) && (!defined(ECANCELED) || (ELIBMAX != ECANCELED))
    case ELIBMAX: return
	    "attempting to link in too many shared libraries";
#endif
#ifdef ELIBSCN
    case ELIBSCN: return ".lib section in a.out corrupted";
#endif
#ifdef ELNRNG
    case ELNRNG: return "link number out of range";
#endif
#if defined(ELOOP) && (!defined(ENOENT) || (ELOOP != ENOENT))
    case ELOOP: return "too many levels of symbolic links";
#endif
#ifdef EMFILE
    case EMFILE: return "too many open files";
#endif
#ifdef EMLINK
    case EMLINK: return "too many links";
#endif
#ifdef EMSGSIZE
    case EMSGSIZE: return "message too long";
#endif
#ifdef EMULTIHOP
    case EMULTIHOP: return "multihop attempted";
#endif
#ifdef ENAMETOOLONG
    case ENAMETOOLONG: return "file name too long";
#endif
#ifdef ENAVAIL
    case ENAVAIL: return "not available";
#endif



#ifdef ENETDOWN
    case ENETDOWN: return "network is down";
#endif
#ifdef ENETRESET
    case ENETRESET: return "network dropped connection on reset";
#endif
#ifdef ENETUNREACH
    case ENETUNREACH: return "network is unreachable";
#endif
#ifdef ENFILE
    case ENFILE: return "too many open files in system";
#endif
#ifdef ENMFILE
    case ENMFILE: return "no more files";
#endif
#ifdef ENOANO
    case ENOANO: return "no anode";
#endif
#if defined(ENOBUFS) && (!defined(ENOSR) || (ENOBUFS != ENOSR))
    case ENOBUFS: return "no buffer space available";
#endif
#ifdef ENOCSI
    case ENOCSI: return "no CSI structure available";
#endif
#if defined(ENODATA) && (!defined(ECONNREFUSED) || (ENODATA != ECONNREFUSED))
    case ENODATA: return "no data available";
#endif
#ifdef ENODEV
    case ENODEV: return "no such device";
#endif
#ifdef ENOENT
    case ENOENT: return "no such file or directory";
#endif
#ifdef ENOEXEC
    case ENOEXEC: return "exec format error";
#endif
#ifdef ENOLCK
    case ENOLCK: return "no locks available";
#endif
#ifdef ENOLINK
    case ENOLINK: return "link has been severed";
#endif
#ifdef ENOMEM
    case ENOMEM: return "cannot allocate memory";
#endif
#ifdef ENOMEDIUM
    case ENOMEDIUM: return "no medium";
#endif
#ifdef ENOMSG
    case ENOMSG: return "no message of desired type";
#endif
#ifdef ENONET
    case ENONET: return "machine is not on the network";
#endif
#ifdef ENOPKG
    case ENOPKG: return "package not installed";
#endif
#ifdef ENOPROTOOPT
    case ENOPROTOOPT: return "protocol not available";
#endif
#ifdef ENOSHARE
    case ENOSHARE: return "no such host or network path";
#endif
#ifdef ENOSPC
    case ENOSPC: return "no space left on device";
#endif
#if defined(ENOSR) && (!defined(ENAMETOOLONG) || (ENAMETOOLONG != ENOSR))
    case ENOSR: return "out of streams resources";
#endif
#if defined(ENOSTR) && (!defined(ENOTTY) || (ENOTTY != ENOSTR))
    case ENOSTR: return "device not a stream";
#endif
#ifdef ENOSYM
    case ENOSYM: return "unresolved symbol name";
#endif
#ifdef ENOSYS
    case ENOSYS: return "function not implemented";
#endif
#ifdef ENOTBLK
    case ENOTBLK: return "block device required";
#endif
#ifdef ENOTCONN
    case ENOTCONN: return "transport endpoint is not connected";



#endif
#ifdef ENOTDIR
    case ENOTDIR: return "not a directory";
#endif
#if defined(ENOTEMPTY) && (!defined(EEXIST) || (ENOTEMPTY != EEXIST))
    case ENOTEMPTY: return "directory not empty";
#endif
#ifdef ENOTNAM
    case ENOTNAM: return "not a name file";
#endif
#ifdef ENOTRECOVERABLE
    case ENOTRECOVERABLE: return "state not recoverable";
#endif
#ifdef ENOTSOCK
    case ENOTSOCK: return "socket operation on non-socket";
#endif
#ifdef ENOTSUP
    case ENOTSUP: return "operation not supported";
#endif
#ifdef ENOTTY
    case ENOTTY: return "inappropriate ioctl for device";
#endif
#ifdef ENOTUNIQ
    case ENOTUNIQ: return "name not unique on network";
#endif
#ifdef ENXIO
    case ENXIO: return "no such device or address";
#endif
#if defined(EOPNOTSUPP) &&  (!defined(ENOTSUP) || (ENOTSUP != EOPNOTSUPP))
    case EOPNOTSUPP: return "operation not supported on socket";
#endif
#ifdef EOTHER
    case EOTHER: return "other error";
#endif
#if defined(EOVERFLOW) && (!defined(EFBIG) || (EOVERFLOW != EFBIG)) && (!defined(EINVAL) || (EOVERFLOW != EINVAL))
    case EOVERFLOW: return "value too large for defined data type";
#endif
#ifdef EOWNERDEAD
    case EOWNERDEAD: return "owner died";
#endif
#ifdef EPERM
    case EPERM: return "operation not permitted";
#endif
#if defined(EPFNOSUPPORT) && (!defined(ENOLCK) || (ENOLCK != EPFNOSUPPORT))
    case EPFNOSUPPORT: return "protocol family not supported";
#endif
#ifdef EPIPE
    case EPIPE: return "broken pipe";
#endif
#ifdef EPROCLIM
    case EPROCLIM: return "too many processes";
#endif
#ifdef EPROCUNAVAIL
    case EPROCUNAVAIL: return "bad procedure for program";
#endif
#ifdef EPROGMISMATCH
    case EPROGMISMATCH: return "program version wrong";
#endif
#ifdef EPROGUNAVAIL
    case EPROGUNAVAIL: return "RPC program not available";
#endif
#ifdef EPROTO
    case EPROTO: return "protocol error";
#endif
#ifdef EPROTONOSUPPORT
    case EPROTONOSUPPORT: return "protocol not supported";
#endif
#ifdef EPROTOTYPE
    case EPROTOTYPE: return "protocol wrong type for socket";
#endif
#ifdef ERANGE
    case ERANGE: return "numerical result out of range";
#endif
#if defined(EREFUSED) && (!defined(ECONNREFUSED) || (EREFUSED != ECONNREFUSED))
    case EREFUSED: return "connection refused";
#endif
#ifdef EREMCHG
    case EREMCHG: return "remote address changed";
#endif
#ifdef EREMDEV
    case EREMDEV: return "remote device";
#endif
#ifdef EREMOTE
    case EREMOTE: return "object is remote";
#endif
#ifdef EREMOTEIO
    case EREMOTEIO: return "remote I/O error";
#endif
#ifdef EREMOTERELEASE
    case EREMOTERELEASE: return "remote peer released connection";
#endif
#ifdef EROFS
    case EROFS: return "read-only file system";
#endif
#ifdef ERPCMISMATCH
    case ERPCMISMATCH: return "RPC version is wrong";
#endif
#ifdef ERREMOTE
    case ERREMOTE: return "object is remote";
#endif
#ifdef ESHUTDOWN
    case ESHUTDOWN: return "cannot send after transport endpoint shutdown";
#endif
#ifdef ESOCKTNOSUPPORT
    case ESOCKTNOSUPPORT: return "socket type not supported";
#endif
#ifdef ESPIPE
    case ESPIPE: return "illegal seek";
#endif
#ifdef ESRCH
    case ESRCH: return "no such process";
#endif
#ifdef ESRMNT
    case ESRMNT: return "srmount error";
#endif
#ifdef ESTALE
    case ESTALE: return "stale file handle";
#endif
#ifdef ESTRPIPE
    case ESTRPIPE: return "streams pipe error";
#endif
#ifdef ESUCCESS
    case ESUCCESS: return "success";
#endif
#if defined(ETIME) && (!defined(ELOOP) || (ETIME != ELOOP))
    case ETIME: return "timer expired";
#endif
#if defined(ETIMEDOUT) && (!defined(ENOSTR) || (ETIMEDOUT != ENOSTR))
    case ETIMEDOUT: return "connection timed out";
#endif
#ifdef ETOOMANYREFS
    case ETOOMANYREFS: return "too many references: cannot splice";
#endif
#ifdef ETXTBSY
    case ETXTBSY: return "text file busy";
#endif
#ifdef EUCLEAN
    case EUCLEAN: return "structure needs cleaning";
#endif
#ifdef EUNATCH
    case EUNATCH: return "protocol driver not attached";
#endif
#ifdef EUSERS
    case EUSERS: return "too many users";
#endif
#ifdef EVERSION
    case EVERSION: return "version mismatch";
#endif
#if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
    case EWOULDBLOCK: return "operation would block";
#endif
#ifdef EXDEV
    case EXDEV: return "invalid cross-device link";
#endif
#ifdef EXFULL
    case EXFULL: return "exchange full";
#endif
    default:
#ifdef NO_STRERROR
	return "unknown POSIX error";
#else
	return strerror(err);
#endif
    }
}

/*