31     operating_system: u8,  field
51     /// Returns the `operating_system` field of this gzip stream's header.
55     pub fn operating_system(&self) -> u8 {  in operating_system()  method
56         self.operating_system  in operating_system()
148                     self.header.operating_system = buffer[9];  in parse()
325     operating_system: Option<u8>,  field
342             operating_system: None,  in new()
353     /// Configure the `operating_system` field in the gzip header.
354     pub fn operating_system(mut self, os: u8) -> GzBuilder {  in operating_system()  method
355         self.operating_system = Some(os);  in operating_system()
417             operating_system,  in into_header()
456         header[9] = operating_system.unwrap_or(255);  in into_header()
568             .operating_system(57)  in roundtrip_header()
589                 operating_system: 57,  in roundtrip_header()