/in/foo.c: In function 'main':
/in/foo.c:5:14: error: stray '\357' in program
     int a,b,c，t;
              ^
/in/foo.c:5:15: error: stray '\274' in program
     int a,b,c，t;
               ^
/in/foo.c:5:16: error: stray '\214' in program
     int a,b,c，t;
                ^
/in/foo.c:5:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 't'
     int a,b,c，t;
                 ^
/in/foo.c:6:26: error: 'c' undeclared (first use in this function)
  scanf("%d %d %d",&a,&b,&c);
                          ^
/in/foo.c:6:26: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c:9:3: error: 't' undeclared (first use in this function)
   t=a;
   ^