/in/foo.c: In function 'main':
/in/foo.c:8:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(n=xmin;n<=xmax;n++)
  ^~~
/in/foo.c:10:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
    printf("%d\n",sum);
    ^~~~~~