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#### errno Values

All values are given in decimal representation.

      EPERM           1
      ENOENT          2
      EINTR           4
      EBADF           9
      EACCES         13
      EFAULT         14
      EBUSY          16
      EEXIST         17
      ENODEV         19
      ENOTDIR        20
      EISDIR         21
      EINVAL         22
      ENFILE         23
      EMFILE         24
      EFBIG          27
      ENOSPC         28
      ESPIPE         29
      EROFS          30
      ENAMETOOLONG   91
      EUNKNOWN       9999

`EUNKNOWN` is used as a fallback error value if a host system returns any error value not in the list of supported error numbers.