const
 EPERM		=1		;// Operation not permitted */
 ENOENT		=2		;// No such file or directory */
 ESRCH		=3		;// No such process */
 EINTR		=4		;// Interrupted system call */
 EIO		=5		;// Input/output error */
 ENXIO		=6		;// Device not configured */
 E2BIG		=7		;// Argument list too long */
 ENOEXEC	=8		;// Exec format error */
 EBADF		=9		;// Bad file descriptor */
 ECHILD		=10		;// No child processes */
 EDEADLK	=11		;// Resource deadlock avoided */
 				 // 11 was EAGAIN */
 ENOMEM		=12		;// Cannot allocate memory */
 EACCES		=13		;// Permission denied */
 EFAULT		=14		;// Bad address */

 ENOTBLK	=15		;// Block device required */

 EBUSY		=16		;// Device busy */
 EEXIST		=17		;// File exists */
 EXDEV		=18		;// Cross-device link */
 ENODEV		=19		;// Operation not supported by device */
 ENOTDIR	=20		;// Not a directory */
 EISDIR		=21		;// Is a directory */
 EINVAL		=22		;// Invalid argument */
 ENFILE		=23		;// Too many open files in system */
 EMFILE		=24		;// Too many open files */
 ENOTTY		=25		;// Inappropriate ioctl for device */

 ETXTBSY	=26		;// Text file busy */

 EFBIG		=27		;// File too large */
 ENOSPC		=28		;// No space left on device */
 ESPIPE		=29		;// Illegal seek */
 EROFS		=30		;// Read-only filesystem */
 EMLINK		=31		;// Too many links */
 EPIPE		=32		;// Broken pipe */

 // math software
 EDOM		=33		;// Numerical argument out of domain */
 ERANGE		=34		;// Result too large */

 // non-blocking and interrupt i/o
 EAGAIN		=35		;// Resource temporarily unavailable */

 EWOULDBLOCK	=EAGAIN		;// Operation would block */
 EINPROGRESS	=36		;// Operation now in progress */
 EALREADY	=37		;// Operation already in progress */

 // ipc/network software -- argument errors
 ENOTSOCK	=38		;// Socket operation on non-socket */
 EDESTADDRREQ	=39		;// Destination address required */
 EMSGSIZE	=40		;// Message too long */
 EPROTOTYPE	=41		;// Protocol wrong type for socket */
 ENOPROTOOPT	=42		;// Protocol not available */
 EPROTONOSUPPORT=43		;// Protocol not supported */
 ESOCKTNOSUPPORT=44		;// Socket type not supported */
 EOPNOTSUPP	=45		;// Operation not supported */
 ENOTSUP	=EOPNOTSUPP	;// Operation not supported */
 EPFNOSUPPORT	=46		;// Protocol family not supported */
 EAFNOSUPPORT	=47		;// Address family not supported by protocol family */
 EADDRINUSE	=48		;// Address already in use */
 EADDRNOTAVAIL	=49		;// Can't assign requested address */

 // ipc/network software -- operational errors
 ENETDOWN	=50		;// Network is down */
 ENETUNREACH	=51		;// Network is unreachable */
 ENETRESET	=52		;// Network dropped connection on reset */
 ECONNABORTED	=53		;// Software caused connection abort */
 ECONNRESET	=54		;// Connection reset by peer */
 ENOBUFS        =55		;// No buffer space available */
 EISCONN        =56		;// Socket is already connected */
 ENOTCONN	=57		;// Socket is not connected */
 ESHUTDOWN	=58		;// Can't send after socket shutdown */
 ETOOMANYREFS	=59		;// Too many references: can't splice */
 ETIMEDOUT	=60		;// Operation timed out */
 ECONNREFUSED	=61		;// Connection refused */

 ELOOP		=62		;// Too many levels of symbolic links */
 ENAMETOOLONG	=63		;// File name too long */

 // should be rearranged

 EHOSTDOWN	=64		;// Host is down */
 EHOSTUNREACH	=65		;// No route to host */
 ENOTEMPTY	=66		;// Directory not empty */

 // quotas & mush */
 EPROCLIM	=67		;// Too many processes */
 EUSERS		=68		;// Too many users */
 EDQUOT		=69		;// Disc quota exceeded */

 // Network File System */
 ESTALE		=70		;// Stale NFS file handle */
 EREMOTE	=71		;// Too many levels of remote in path */
 EBADRPC	=72		;// RPC struct is bad */
 ERPCMISMATCH	=73		;// RPC version wrong */
 EPROGUNAVAIL	=74		;// RPC prog. not avail */
 EPROGMISMATCH	=75		;// Program version wrong */
 EPROCUNAVAIL	=76		;// Bad procedure for program */

 ENOLCK		=77		;// No locks available */
 ENOSYS		=78		;// Function not implemented */

 EFTYPE		=79		;// Inappropriate file type or format */
 EAUTH		=80		;// Authentication error */
 ENEEDAUTH	=81		;// Need authenticator */
 EIDRM		=82		;// Identifier removed */
 ENOMSG		=83		;// No message of desired type */
 EOVERFLOW	=84		;// Value too large to be stored in data type */
 ECANCELED	=85		;// Operation canceled */
 EILSEQ		=86		;// Illegal byte sequence */
 ENOATTR	=87		;// Attribute not found */

 EDOOFUS	=88		;// Programming error */

 EBADMSG	=89		;// Bad message */
 EMULTIHOP	=90		;// Multihop attempted */
 ENOLINK	=91		;// Link has been severed */
 EPROTO		=92		;// Protocol error */

 ENOTCAPABLE	=93		;// Capabilities insufficient */
 ECAPMODE	=94		;// Not permitted in capability mode */

 ENOBLK		=95;
 EICV		=96;
 ENOPLAYGOENT   =97;
 EREVOKE	=98;
 ESDKVERSION	=99;
 ESTART		=100		;// module_start() fails */
 ESTOP		=101		;// module_stop() fails */

 ELAST		=101		;// Must be equal largest errno */

 EADHOC		=160		;// adhoc mode */
 // 161 reserved */
 // 162 reserved */
 EINACTIVEDISABLED	=163	;// IP address was changed */
 ENETNODATA		=164	;// internal code */
 ENETDESC		=165	;// internal code */
 ENETDESCTIMEDOUT	=166	;// internal code */
 ENETINTR		=167	;// network abort */
 // 168 reserved */
 // 169 reserved */

 ERETURN		=205	;// libnetctl error */

 // Dinkumware */

 // ERROR CODES */

 EFPOS          =$0098;

 		// POSIX SUPPLEMENT */

 ENODATA=1040;


 ENOSR=1050;


 ENOSTR=1051; // ENOSTR */

 ENOTRECOVERABLE=1056; // ENOTRECOVERABLE */

 EOTHER=1062;// EOTHER */


 EOWNERDEAD=1064;// EOWNERDEAD */

 ETIME=1074;// ETIME */


 // pseudo-errors returned inside kernel to modify return to process */
 ERESTART	=(-1)		;// restart syscall */
 EJUSTRETURN	=(-2)		;// don't modify regs, just return */
 ENOIOCTL	=(-3)		;// ioctl not handled by this layer */
 EDIRIOCTL	=(-4)		;// do direct ioctl in GEOM */