/in/foo.c: In function 'main':
/in/foo.c:10:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(d=0; c>0; c--)
  ^~~
/in/foo.c:13:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   printf("%d\n",c);
   ^~~~~~
/in/foo.c:14:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(d=c; d>0; d++)
  ^~~
/in/foo.c:17:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   printf("%d\n",d);
   ^~~~~~
/in/foo.c:4:14: warning: unused variable 'e' [-Wunused-variable]
  int a,b,c,d,e;
              ^