76   off_t start_offset{0};
77   off_t end_offset{0};  // non-inclusive, zero indicates unspecified.
155 string Itoa(off_t num) {  in Itoa()
184                      const off_t start_offset,  in WriteHeaders()
185                      const off_t end_offset,  in WriteHeaders()
198   const off_t content_length = end_offset - start_offset;  in WriteHeaders()
226                     const off_t start_offset,  in WritePayload()
227                     const off_t end_offset,  in WritePayload()
279                            const off_t start_offset,  in WritePayload()
280                            const off_t end_offset) {  in WritePayload()
355     const off_t midway_offset = start_offset + payload_length / 2;  in HandleGet()
482   const off_t start_offset = request.start_offset;  in HandleDefault()
491       (start_offset < static_cast<off_t>(size) ? data.substr(start_offset)  in HandleDefault()
511   inline const string& Get(const off_t index) const { return terms[index]; }  in Get()
512   inline const char* GetCStr(const off_t index) const {  in GetCStr()
515   inline int GetInt(const off_t index) const { return atoi(GetCStr(index)); }  in GetInt()
516   inline size_t GetSizeT(const off_t index) const {  in GetSizeT()