18     static_assert(static_cast<int>(std::errc::address_family_not_supported) == EAFNOSUPPORT, "");  in main()
19     static_assert(static_cast<int>(std::errc::address_in_use) == EADDRINUSE, "");  in main()
20     static_assert(static_cast<int>(std::errc::address_not_available) == EADDRNOTAVAIL, "");  in main()
21     static_assert(static_cast<int>(std::errc::already_connected) == EISCONN, "");  in main()
22     static_assert(static_cast<int>(std::errc::argument_list_too_long) == E2BIG, "");  in main()
23     static_assert(static_cast<int>(std::errc::argument_out_of_domain) == EDOM, "");  in main()
24     static_assert(static_cast<int>(std::errc::bad_address) == EFAULT, "");  in main()
25     static_assert(static_cast<int>(std::errc::bad_file_descriptor) == EBADF, "");  in main()
26     static_assert(static_cast<int>(std::errc::bad_message) == EBADMSG, "");  in main()
27     static_assert(static_cast<int>(std::errc::broken_pipe) == EPIPE, "");  in main()
28     static_assert(static_cast<int>(std::errc::connection_aborted) == ECONNABORTED, "");  in main()
29     static_assert(static_cast<int>(std::errc::connection_already_in_progress) == EALREADY, "");  in main()
30     static_assert(static_cast<int>(std::errc::connection_refused) == ECONNREFUSED, "");  in main()
31     static_assert(static_cast<int>(std::errc::connection_reset) == ECONNRESET, "");  in main()
32     static_assert(static_cast<int>(std::errc::cross_device_link) == EXDEV, "");  in main()
33     static_assert(static_cast<int>(std::errc::destination_address_required) == EDESTADDRREQ, "");  in main()
34     static_assert(static_cast<int>(std::errc::device_or_resource_busy) == EBUSY, "");  in main()
35     static_assert(static_cast<int>(std::errc::directory_not_empty) == ENOTEMPTY, "");  in main()
36     static_assert(static_cast<int>(std::errc::executable_format_error) == ENOEXEC, "");  in main()
37     static_assert(static_cast<int>(std::errc::file_exists) == EEXIST, "");  in main()
38     static_assert(static_cast<int>(std::errc::file_too_large) == EFBIG, "");  in main()
39     static_assert(static_cast<int>(std::errc::filename_too_long) == ENAMETOOLONG, "");  in main()
40     static_assert(static_cast<int>(std::errc::function_not_supported) == ENOSYS, "");  in main()
41     static_assert(static_cast<int>(std::errc::host_unreachable) == EHOSTUNREACH, "");  in main()
42     static_assert(static_cast<int>(std::errc::identifier_removed) == EIDRM, "");  in main()
43     static_assert(static_cast<int>(std::errc::illegal_byte_sequence) == EILSEQ, "");  in main()
44     static_assert(static_cast<int>(std::errc::inappropriate_io_control_operation) == ENOTTY, "");  in main()
45     static_assert(static_cast<int>(std::errc::interrupted) == EINTR, "");  in main()
46     static_assert(static_cast<int>(std::errc::invalid_argument) == EINVAL, "");  in main()
47     static_assert(static_cast<int>(std::errc::invalid_seek) == ESPIPE, "");  in main()
48     static_assert(static_cast<int>(std::errc::io_error) == EIO, "");  in main()
49     static_assert(static_cast<int>(std::errc::is_a_directory) == EISDIR, "");  in main()
50     static_assert(static_cast<int>(std::errc::message_size) == EMSGSIZE, "");  in main()
51     static_assert(static_cast<int>(std::errc::network_down) == ENETDOWN, "");  in main()
52     static_assert(static_cast<int>(std::errc::network_reset) == ENETRESET, "");  in main()
53     static_assert(static_cast<int>(std::errc::network_unreachable) == ENETUNREACH, "");  in main()
54     static_assert(static_cast<int>(std::errc::no_buffer_space) == ENOBUFS, "");  in main()
55     static_assert(static_cast<int>(std::errc::no_child_process) == ECHILD, "");  in main()
56     static_assert(static_cast<int>(std::errc::no_link) == ENOLINK, "");  in main()
57     static_assert(static_cast<int>(std::errc::no_lock_available) == ENOLCK, "");  in main()
59     static_assert(static_cast<int>(std::errc::no_message_available) == ENODATA, "");  in main()
61     static_assert(static_cast<int>(std::errc::no_message) == ENOMSG, "");  in main()
62     static_assert(static_cast<int>(std::errc::no_protocol_option) == ENOPROTOOPT, "");  in main()
63     static_assert(static_cast<int>(std::errc::no_space_on_device) == ENOSPC, "");  in main()
65     static_assert(static_cast<int>(std::errc::no_stream_resources) == ENOSR, "");  in main()
67     static_assert(static_cast<int>(std::errc::no_such_device_or_address) == ENXIO, "");  in main()
68     static_assert(static_cast<int>(std::errc::no_such_device) == ENODEV, "");  in main()
69     static_assert(static_cast<int>(std::errc::no_such_file_or_directory) == ENOENT, "");  in main()
70     static_assert(static_cast<int>(std::errc::no_such_process) == ESRCH, "");  in main()
71     static_assert(static_cast<int>(std::errc::not_a_directory) == ENOTDIR, "");  in main()
72     static_assert(static_cast<int>(std::errc::not_a_socket) == ENOTSOCK, "");  in main()
74     static_assert(static_cast<int>(std::errc::not_a_stream) == ENOSTR, "");  in main()
76     static_assert(static_cast<int>(std::errc::not_connected) == ENOTCONN, "");  in main()
77     static_assert(static_cast<int>(std::errc::not_enough_memory) == ENOMEM, "");  in main()
78     static_assert(static_cast<int>(std::errc::not_supported) == ENOTSUP, "");  in main()
79     static_assert(static_cast<int>(std::errc::operation_canceled) == ECANCELED, "");  in main()
80     static_assert(static_cast<int>(std::errc::operation_in_progress) == EINPROGRESS, "");  in main()
81     static_assert(static_cast<int>(std::errc::operation_not_permitted) == EPERM, "");  in main()
82     static_assert(static_cast<int>(std::errc::operation_not_supported) == EOPNOTSUPP, "");  in main()
83     static_assert(static_cast<int>(std::errc::operation_would_block) == EWOULDBLOCK, "");  in main()
84     static_assert(static_cast<int>(std::errc::owner_dead) == EOWNERDEAD, "");  in main()
85     static_assert(static_cast<int>(std::errc::permission_denied) == EACCES, "");  in main()
86     static_assert(static_cast<int>(std::errc::protocol_error) == EPROTO, "");  in main()
87     static_assert(static_cast<int>(std::errc::protocol_not_supported) == EPROTONOSUPPORT, "");  in main()
88     static_assert(static_cast<int>(std::errc::read_only_file_system) == EROFS, "");  in main()
89     static_assert(static_cast<int>(std::errc::resource_deadlock_would_occur) == EDEADLK, "");  in main()
90     static_assert(static_cast<int>(std::errc::resource_unavailable_try_again) == EAGAIN, "");  in main()
91     static_assert(static_cast<int>(std::errc::result_out_of_range) == ERANGE, "");  in main()
92     static_assert(static_cast<int>(std::errc::state_not_recoverable) == ENOTRECOVERABLE, "");  in main()
94     static_assert(static_cast<int>(std::errc::stream_timeout) == ETIME, "");  in main()
96     static_assert(static_cast<int>(std::errc::text_file_busy) == ETXTBSY, "");  in main()
97     static_assert(static_cast<int>(std::errc::timed_out) == ETIMEDOUT, "");  in main()
98     static_assert(static_cast<int>(std::errc::too_many_files_open_in_system) == ENFILE, "");  in main()
99     static_assert(static_cast<int>(std::errc::too_many_files_open) == EMFILE, "");  in main()
100     static_assert(static_cast<int>(std::errc::too_many_links) == EMLINK, "");  in main()
101     static_assert(static_cast<int>(std::errc::too_many_symbolic_link_levels) == ELOOP, "");  in main()
102     static_assert(static_cast<int>(std::errc::value_too_large) == EOVERFLOW, "");  in main()
103     static_assert(static_cast<int>(std::errc::wrong_protocol_type) == EPROTOTYPE, "");  in main()