/in/foo.c: In function 'main':
/in/foo.c:38:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(i=1;i<=3;i++)
     ^~~
/in/foo.c:40:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
         a.len=3;
         ^
/in/foo.c:41:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(i=1;i<=100;i++)
     ^~~
/in/foo.c:43:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
         b.len=100;b.a[1]=1;
         ^