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Home/ Questions/How exactly to use _crt_secure_no_warnings
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Ethan Fleury
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Ethan Fleury
Asked: May 11, 20222022-05-11T15:23:03+00:00 2022-05-11T15:23:03+00:00In: cpp

How exactly to use _crt_secure_no_warnings

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How to use _crt_secure_no_warnings? I get the following error message

error C4996: 'strncpy': This function or variable may be unsafe. Consider using strncpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.

when set Configuration Properties>>C/C++>>Preporocessor>>Preprocessor Definitions>> _CRT_NONSTDC_NO_WARNINGS. How to fix it?

_crt_secure_no_warnings
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    tonytutoria
    2022-05-23T10:03:55+00:00Added an answer on May 23, 2022 at 10:03 am

    We can set ‘_CRT_SECURE_NO_WARNINGS’ in PreProcessor by doing as follow:

    1. Right click on ‘Project Properties->C/C++ -> Preprocessor’

    2. Then, you add ‘_CRT_SECURE_NO_WARNINGS’ to PreProcessor Definitions

    3. Click ‘OK’ and it’s done

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  2. Aaron Vallet
    2022-05-25T19:17:36+00:00Added an answer on May 25, 2022 at 7:17 pm

    Under “Project -> Properties -> C/C++ -> Preprocessor -> Preprocessor Definitions” add _CRT_SECURE_NO_WARNINGS

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  3. adminxy Expert
    2022-07-12T06:03:01+00:00Added an answer on July 12, 2022 at 6:03 am

    _crt_secure_no_warnings

    Add by: Configuration Properties>>C/C++>>Preporocessor>>Preprocessor Definitions>> _CRT_SECURE_NO_WARNINGS

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