Solve the problem of vs2015 using fopen, fprintf and other functions

Error message: ' fopen ': This function or variable could be unsafe. Consider using fopen_s instead. To disable deprecation, use _crt_secure_no_warnings. See online Help for details.

Workaround: Right-click the project name--property-->c/c++--> preprocessor--preprocessor definition, edit right input box to add:

_crt_secure_no_warnings

Click the top menu bar->project->edit more properties. Then, on the left of the Open Settings box, select C + +-preprocessor. Right preprocessor definitions right input, _crt_secure_no_warnings OK can not error.

Solve the problem of vs2015 using fopen, fprintf and other functions