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Annotation of 41BSD/cmd/berknet/sysexits.h, revision 1.1

1.1     ! root        1: /*
        !             2: **  SYSEXITS.H -- Exit status codes for system programs.
        !             3: **
        !             4: **     This include file attempts to categorize possible error
        !             5: **     exit statuses for system programs, notably delivermail
        !             6: **     and the Berkeley network.
        !             7: **
        !             8: **     Error numbers begin at EX__BASE to reduce the possibility of
        !             9: **     clashing with other exit statuses that random programs may
        !            10: **     already return.  The meaning of the codes is approximately
        !            11: **     as follows:
        !            12: **
        !            13: **     EX_USAGE -- The command was used incorrectly, e.g., with
        !            14: **             the wrong number of arguments, a bad flag, a bad
        !            15: **             syntax in a parameter, or whatever.
        !            16: **     EX_DATAERR -- The input data was incorrect in some way.
        !            17: **             This should only be used for user's data & not
        !            18: **             system files.
        !            19: **     EX_NOINPUT -- An input file (not a system file) did not
        !            20: **             exist or was not readable.  This could also include
        !            21: **             errors like "No message" to a mailer (if it cared
        !            22: **             to catch it).
        !            23: **     EX_NOUSER -- The user specified did not exist.  This might
        !            24: **             be used for mail addresses or remote logins.
        !            25: **     EX_NOHOST -- The host specified did not exist.  This is used
        !            26: **             in mail addresses or network requests.
        !            27: **     EX_UNAVAIL -- A service is unavailable.  This can occur
        !            28: **             if a support program or file does not exist.  This
        !            29: **             can also be used as a catchall message when something
        !            30: **             you wanted to do doesn't work, but you don't know
        !            31: **             why.
        !            32: **     EX_SOFTWARE -- An internal software error has been detected.
        !            33: **             This should be limited to non-operating system related
        !            34: **             errors as possible.
        !            35: **     EX_OSERR -- An operating system error has been detected.
        !            36: **             This is intended to be used for such things as "cannot
        !            37: **             fork", "cannot create pipe", or the like.  It includes
        !            38: **             things like getuid returning a user that does not
        !            39: **             exist in the passwd file.
        !            40: **     EX_OSFILE -- Some system file (e.g., /etc/passwd, /etc/utmp,
        !            41: **             etc.) does not exist, cannot be opened, or has some
        !            42: **             sort of error (e.g., syntax error).
        !            43: **     EX_CANTCREAT -- A (user specified) output file cannot be
        !            44: **             created.
        !            45: **     EX_IOERR -- An error occurred while doing I/O on some file.
        !            46: */
        !            47: 
        !            48: # define EX_OK         0       /* successful termination */
        !            49: 
        !            50: # define EX__BASE      64      /* base value for error messages */
        !            51: 
        !            52: # define EX_USAGE      64      /* command line usage error */
        !            53: # define EX_DATAERR    65      /* data format error */
        !            54: # define EX_NOINPUT    66      /* cannot open input */
        !            55: # define EX_NOUSER     67      /* addressee unknown */
        !            56: # define EX_NOHOST     68      /* host name unknown */
        !            57: # define EX_UNAVAIL    69      /* service unavailable */
        !            58: # define EX_SOFTWARE   70      /* internal software error */
        !            59: # define EX_OSERR      71      /* system error (e.g., can't fork) */
        !            60: # define EX_OSFILE     72      /* critical OS file missing */
        !            61: # define EX_CANTCREAT  73      /* can't create (user) output file */
        !            62: # define EX_IOERR      74      /* input/output error */

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