Function HasHostHeader

library/cpp/neh/http_headers.h:37–46

        };

        inline bool HasHostHeader(TStringBuf headers) {
            THeaderSplitter splitter(headers);
            TStringBuf header;
            while (splitter.Next(header)) {
                if (AsciiHasPrefixIgnoreCase(header, "Host:")) {
                    return true;
                }
            }
            return false;
        }

        template <typename Port>
        void WriteHostHeaderIfNot(IOutputStream& out, TStringBuf host, Port port, TStringBuf headers) {