/in/foo.c: In function 'main':
/in/foo.c:15:18: error: expected identifier before '(' token
     if (a!=max)&&(a!=min) mid=a;
                  ^
/in/foo.c:16:18: error: expected identifier before '(' token
     if (b!=max)&&(b!=min) mid=b;
                  ^
/in/foo.c:17:18: error: expected identifier before '(' token
     if (c!=max)&&(c!=min) mid=c;
                  ^