409         let r = match syscall_num {  in handle()  localVariable
534                 let r: Result<&str, SystemError> = chdir_check(args[0]);  in handle()  localVariable
535                 if r.is_err() {  in handle()
536                     Err(r.unwrap_err())  in handle()
538                     Self::chdir(r.unwrap())  in handle()
762                 let r = security_check();  in handle()  localVariable
763                 if r.is_err() {  in handle()
764                     Err(r.unwrap_err())  in handle()
844                 let r = security_check();  in handle()  localVariable
845                 if r.is_err() {  in handle()
846                     Err(r.unwrap_err())  in handle()
871                 let r = security_check();  in handle()  localVariable
872                 if r.is_err() {  in handle()
873                     Err(r.unwrap_err())  in handle()
875                     let msg = r.unwrap();  in handle()
910                 let r = security_check();  in handle()  localVariable
911                 if r.is_err() {  in handle()
912                     Err(r.unwrap_err())  in handle()
996         let r = r.unwrap_or_else(|e| e.to_posix_errno() as usize);  in handle()  localVariable
997         return r;  in handle()