/in/foo.cc: In function 'int main()':
/in/foo.cc:14:15: error: 'getcahr' was not declared in this scope
     a=getcahr()
               ^
/in/foo.cc:40:3: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   else
   ^~~~
/in/foo.cc:43:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else'
    break;
    ^~~~~