The original `InetPton` expands to `InetPtonW` when building with UNICODE defined and expects the string parameter to be wchar_t. On the other hand macro `TEXT()` just adds prefix `L` to a string literal (just making it wchar_t literal). The proper way here would be converting `host.c_str()` result from UTF-8(?) into wchar_t (UNICODE) string, but this seems to be an overkill since the host is typically an IP address or a host/domain name. So assuming an ASCII input should be reasonably safe.
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