/in/foo.c: In function 'main':
/in/foo.c:6:2: warning: implicit declaration of function 'scant' [-Wimplicit-function-declaration]
  scant("%d%d,&xmin,&max);
  ^~~~~
/in/foo.c:6:8: warning: missing terminating " character
  scant("%d%d,&xmin,&max);
        ^
/in/foo.c:6:8: error: missing terminating " character
  scant("%d%d,&xmin,&max);
        ^~~~~~~~~~~~~~~~~~
/in/foo.c:7:2: error: expected expression before 'int'
  int sum=0;
  ^~~
/in/foo.c:16:1: error: expected ';' before '}' token
 }
 ^
/in/foo.c:5:14: warning: unused variable 'xmax' [-Wunused-variable]
     int xmin,xmax;
              ^~~~
/in/foo.c:5:9: warning: unused variable 'xmin' [-Wunused-variable]
     int xmin,xmax;
         ^~~~