/in/foo.c: In function 'main':
/in/foo.c:6:7: error: stray '\357' in program
  scanf（"%f",&f);
       ^
/in/foo.c:6:8: error: stray '\274' in program
  scanf（"%f",&f);
        ^
/in/foo.c:6:9: error: stray '\210' in program
  scanf（"%f",&f);
         ^
/in/foo.c:6:2: warning: statement with no effect [-Wunused-value]
  scanf（"%f",&f);
  ^~~~~
/in/foo.c:6:10: error: expected ';' before string constant
  scanf（"%f",&f);
          ^~~~
/in/foo.c:6:17: error: expected statement before ')' token
  scanf（"%f",&f);
                 ^
/in/foo.c:7:14: error: stray '\357' in program
  c=(5.0/9.0)*（f-32);
              ^
/in/foo.c:7:15: error: stray '\274' in program
  c=(5.0/9.0)*（f-32);
               ^
/in/foo.c:7:16: error: stray '\210' in program
  c=(5.0/9.0)*（f-32);
                ^
/in/foo.c:7:21: error: expected ';' before ')' token
  c=(5.0/9.0)*（f-32);
                     ^
/in/foo.c:7:21: error: expected statement before ')' token