foo.cc: In function 'void StringReplace(std::string&, std::string&, std::string&)':
foo.cc:48:25: warning: unused variable 'nEnd' [-Wunused-variable]
   48 |         int nStart = 0, nEnd = 0;
      |                         ^~~~
foo.cc: In function 'int main(int, char**)':
foo.cc:66:9: error: 'gets_s' was not declared in this scope; did you mean 'gets'?
   66 |         gets_s(ary_cParent);
      |         ^~~~~~
      |         gets

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