4     code: 'ENOENT',  property
9     code: 'UNKNOWN',  property
14     code: 'OK',  property
19     code: 'EOF',  property
24     code: 'EADDRINFO',  property
29     code: 'EACCES',  property
34     code: 'EAGAIN',  property
39     code: 'EADDRINUSE',  property
44     code: 'EADDRNOTAVAIL',  property
49     code: 'EAFNOSUPPORT',  property
54     code: 'EALREADY',  property
59     code: 'EBADF',  property
64     code: 'EBUSY',  property
69     code: 'ECONNABORTED',  property
74     code: 'ECONNREFUSED',  property
79     code: 'ECONNRESET',  property
84     code: 'EDESTADDRREQ',  property
89     code: 'EFAULT',  property
94     code: 'EHOSTUNREACH',  property
99     code: 'EINTR',  property
104     code: 'EINVAL',  property
109     code: 'EISCONN',  property
114     code: 'EMFILE',  property
119     code: 'EMSGSIZE',  property
124     code: 'ENETDOWN',  property
129     code: 'ENETUNREACH',  property
134     code: 'ENFILE',  property
139     code: 'ENOBUFS',  property
144     code: 'ENOMEM',  property
149     code: 'ENOTDIR',  property
154     code: 'EISDIR',  property
159     code: 'ENONET',  property
164     code: 'ENOTCONN',  property
169     code: 'ENOTSOCK',  property
174     code: 'ENOTSUP',  property
179     code: 'ENOENT',  property
184     code: 'ENOSYS',  property
189     code: 'EPIPE',  property
194     code: 'EPROTO',  property
199     code: 'EPROTONOSUPPORT',  property
204     code: 'EPROTOTYPE',  property
209     code: 'ETIMEDOUT',  property
214     code: 'ECHARSET',  property
219     code: 'EAIFAMNOSUPPORT',  property
224     code: 'EAISERVICE',  property
229     code: 'EAISOCKTYPE',  property
234     code: 'ESHUTDOWN',  property
239     code: 'EEXIST',  property
244     code: 'ESRCH',  property
249     code: 'ENAMETOOLONG',  property
254     code: 'EPERM',  property
259     code: 'ELOOP',  property
264     code: 'EXDEV',  property
269     code: 'ENOTEMPTY',  property
274     code: 'ENOSPC',  property
279     code: 'EIO',  property
284     code: 'EROFS',  property
289     code: 'ENODEV',  property
294     code: 'ESPIPE',  property
299     code: 'ECANCELED',  property