/in/foo.c:1:2: error: invalid preprocessing directive #iostlu
 #iostlu<iocuse>
  ^~~~~~
/in/foo.c:2:2: error: invalid preprocessing directive #using
 #using   
  ^~~~~
/in/foo.c:3:1: error: expected identifier or '(' before '{' token
 {
 ^
/in/foo.c:4:15: error: stray '\357' in program
       iostlu<n（1<n<100)>
               ^
/in/foo.c:4:16: error: stray '\274' in program
       iostlu<n（1<n<100)>
                ^
/in/foo.c:4:17: error: stray '\210' in program
       iostlu<n（1<n<100)>
                 ^