lib LibC
  fun __errno_location : Int*

  E2BIG           =   7
  EACCES          =  13
  EADDRINUSE      =  98
  EADDRNOTAVAIL   =  99
  EAFNOSUPPORT    =  97
  EAGAIN          =  11
  EALREADY        = 114
  EBADF           =   9
  EBADMSG         =  74
  EBUSY           =  16
  ECANCELED       = 125
  ECHILD          =  10
  ECONNABORTED    = 103
  ECONNREFUSED    = 111
  ECONNRESET      = 104
  EDEADLK         =  35
  EDESTADDRREQ    =  89
  EDOM            =  33
  EDQUOT          = 122
  EEXIST          =  17
  EFAULT          =  14
  EFBIG           =  27
  EHOSTUNREACH    = 113
  EIDRM           =  43
  EILSEQ          =  84
  EINPROGRESS     = 115
  EINTR           =   4
  EINVAL          =  22
  EIO             =   5
  EISCONN         = 106
  EISDIR          =  21
  ELOOP           =  40
  EMFILE          =  24
  EMLINK          =  31
  EMSGSIZE        =  90
  EMULTIHOP       =  72
  ENAMETOOLONG    =  36
  ENETDOWN        = 100
  ENETRESET       = 102
  ENETUNREACH     = 101
  ENFILE          =  23
  ENOBUFS         = 105
  ENODEV          =  19
  ENOENT          =   2
  ENOEXEC         =   8
  ENOLCK          =  37
  ENOLINK         =  67
  ENOMEM          =  12
  ENOMSG          =  42
  ENOPROTOOPT     =  92
  ENOSPC          =  28
  ENOSYS          =  38
  ENOTCONN        = 107
  ENOTDIR         =  20
  ENOTEMPTY       =  39
  ENOTRECOVERABLE = 131
  ENOTSOCK        =  88
  ENOTSUP         = LibC::EOPNOTSUPP
  ENOTTY          =  25
  ENXIO           =   6
  EOPNOTSUPP      =  95
  EOVERFLOW       =  75
  EOWNERDEAD      = 130
  EPERM           =   1
  EPIPE           =  32
  EPROTO          =  71
  EPROTONOSUPPORT =  93
  EPROTOTYPE      =  91
  ERANGE          =  34
  EROFS           =  30
  ESPIPE          =  29
  ESRCH           =   3
  ESTALE          = 116
  ETIMEDOUT       = 110
  ETXTBSY         =  26
  EWOULDBLOCK     = LibC::EAGAIN
  EXDEV           = 18
  ENODATA         = 61
  ENOSR           = 63
  ENOSTR          = 60
  ETIME           = 62
end