Unix / Linux Error Numbers

  #define EPERM            1      /* Operation not permitted */
  #define ENOENT           2      /* No such file or directory */
  #define ESRCH            3      /* No such process */
  #define EINTR            4      /* Interrupted system call */
  #define EIO              5      /* I/O error */
  #define ENXIO            6      /* No such device or address */
  #define E2BIG            7      /* Arg list too long */
  #define ENOEXEC          8      /* Exec format error */
  #define EBADF            9      /* Bad file number */
  #define ECHILD          10      /* No child processes */
  #define EAGAIN          11      /* Try again */
  #define ENOMEM          12      /* Out of memory */
  #define EACCES          13      /* Permission denied */
  #define EFAULT          14      /* Bad address */
  #define ENOTBLK         15      /* Block device required */
  #define EBUSY           16      /* Device or resource busy */
  #define EEXIST          17      /* File exists */
  #define EXDEV           18      /* Cross-device link */
  #define ENODEV          19      /* No such device */
  #define ENOTDIR         20      /* Not a directory */
  #define EISDIR          21      /* Is a directory */
  #define EINVAL          22      /* Invalid argument */
  #define ENFILE          23      /* File table overflow */
  #define EMFILE          24      /* Too many open files */
  #define ENOTTY          25      /* Not a typewriter */
  #define ETXTBSY         26      /* Text file busy */
  #define EFBIG           27      /* File too large */
  #define ENOSPC          28      /* No space left on device */
  #define ESPIPE          29      /* Illegal seek */
  #define EROFS           30      /* Read-only file system */
  #define EMLINK          31      /* Too many links */
  #define EPIPE           32      /* Broken pipe */
  #define EDOM            33      /* Math argument out of domain of func */
  #define ERANGE          34      /* Math result not representable */
  #define EDEADLK         35      /* Resource deadlock would occur */
  #define ENAMETOOLONG    36      /* File name too long */
  #define ENOLCK          37      /* No record locks available */
  #define ENOSYS          38      /* Function not implemented */
  #define ENOTEMPTY       39      /* Directory not empty */
  #define ELOOP           40      /* Too many symbolic links encountered */
  #define EWOULDBLOCK     EAGAIN  /* Operation would block */
  #define ENOMSG          42      /* No message of desired type */
  #define EIDRM           43      /* Identifier removed */
  #define ECHRNG          44      /* Channel number out of range */
  #define EL2NSYNC        45      /* Level 2 not synchronized */
  #define EL3HLT          46      /* Level 3 halted */
  #define EL3RST          47      /* Level 3 reset */
  #define ELNRNG          48      /* Link number out of range */
  #define EUNATCH         49      /* Protocol driver not attached */
  #define ENOCSI          50      /* No CSI structure available */
  #define EL2HLT          51      /* Level 2 halted */
  #define EBADE           52      /* Invalid exchange */
  #define EBADR           53      /* Invalid request descriptor */
  #define EXFULL          54      /* Exchange full */
  #define ENOANO          55      /* No anode */
  #define EBADRQC         56      /* Invalid request code */
  #define EBADSLT         57      /* Invalid slot */
  #define EDEADLOCK       EDEADLK
  #define EBFONT          59      /* Bad font file format */
  #define ENOSTR          60      /* Device not a stream */
  #define ENODATA         61      /* No data available */
  #define ETIME           62      /* Timer expired */
  #define ENOSR           63      /* Out of streams resources */
  #define ENONET          64      /* Machine is not on the network */
  #define ENOPKG          65      /* Package not installed */
  #define EREMOTE         66      /* Object is remote */
  #define ENOLINK         67      /* Link has been severed */
  #define EADV            68      /* Advertise error */
  #define ESRMNT          69      /* Srmount error */
  #define ECOMM           70      /* Communication error on send */
  #define EPROTO          71      /* Protocol error */
  #define EMULTIHOP       72      /* Multihop attempted */
  #define EDOTDOT         73      /* RFS specific error */
  #define EBADMSG         74      /* Not a data message */
  #define EOVERFLOW       75      /* Value too large for defined data type */
  #define ENOTUNIQ        76      /* Name not unique on network */
  #define EBADFD          77      /* File descriptor in bad state */
  #define EREMCHG         78      /* Remote address changed */
  #define ELIBACC         79      /* Can not access a needed shared library */
  #define ELIBBAD         80      /* Accessing a corrupted shared library */
  #define ELIBSCN         81      /* .lib section in a.out corrupted */
  #define ELIBMAX         82      /* Attempting to link in too many shared libraries */
  #define ELIBEXEC        83      /* Cannot exec a shared library directly */
  #define EILSEQ          84      /* Illegal byte sequence */
  #define ERESTART        85      /* Interrupted system call should be restarted */
  #define ESTRPIPE        86      /* Streams pipe error */
  #define EUSERS          87      /* Too many users */
  #define ENOTSOCK        88      /* Socket operation on non-socket */
  #define EDESTADDRREQ    89      /* Destination address required */
  #define EMSGSIZE        90      /* Message too long */
  #define EPROTOTYPE      91      /* Protocol wrong type for socket */
  #define ENOPROTOOPT     92      /* Protocol not available */
  #define EPROTONOSUPPORT 93      /* Protocol not supported */
  #define ESOCKTNOSUPPORT 94      /* Socket type not supported */
  #define EOPNOTSUPP      95      /* Operation not supported on transport endpoint */
  #define EPFNOSUPPORT    96      /* Protocol family not supported */
  #define EAFNOSUPPORT    97      /* Address family not supported by protocol */
  #define EADDRINUSE      98      /* Address already in use */
  #define EADDRNOTAVAIL   99      /* Cannot assign requested address */
  #define ENETDOWN        100     /* Network is down */
  #define ENETUNREACH     101     /* Network is unreachable */
  #define ENETRESET       102     /* Network dropped connection because of reset */
  #define ECONNABORTED    103     /* Software caused connection abort */
  #define ECONNRESET      104     /* Connection reset by peer */
  #define ENOBUFS         105     /* No buffer space available */
  #define EISCONN         106     /* Transport endpoint is already connected */
  #define ENOTCONN        107     /* Transport endpoint is not connected */
  #define ESHUTDOWN       108     /* Cannot send after transport endpoint shutdown */
  #define ETOOMANYREFS    109     /* Too many references: cannot splice */
  #define ETIMEDOUT       110     /* Connection timed out */
  #define ECONNREFUSED    111     /* Connection refused */
  #define EHOSTDOWN       112     /* Host is down */
  #define EHOSTUNREACH    113     /* No route to host */
  #define EALREADY        114     /* Operation already in progress */
  #define EINPROGRESS     115     /* Operation now in progress */
  #define ESTALE          116     /* Stale NFS file handle */
  #define EUCLEAN         117     /* Structure needs cleaning */
  #define ENOTNAM         118     /* Not a XENIX named type file */
  #define ENAVAIL         119     /* No XENIX semaphores available */
  #define EISNAM          120     /* Is a named type file */
  #define EREMOTEIO       121     /* Remote I/O error */
  #define EDQUOT          122     /* Quota exceeded */
  #define ENOMEDIUM       123     /* No medium found */
  #define EMEDIUMTYPE     124     /* Wrong medium type */