How Can I Display UTF-8 Text Correctly in My C Console Application on Windows?

Displaying UTF-8 Text in C Console Applications on Windows

In a C console application compiled using Visual Studio 2008 on Windows, it can be challenging to correctly print UTF-8 encoded characters. To overcome this issue, follow these steps:

Configure Character Encoding:

1. Save your source file as Unicode (UTF-8 with signature).
2. In your project properties (Project -> Properties), set Character Set to Use Unicode Character Set.

Set Console Output Code Page:

1. Include the header in your code.
2. Call the SetConsoleOutputCP(65001) function at the beginning of your main function to set the output code page to UTF-8.

Print UTF-8 Characters:

You can now use printf or wprintf to print UTF-8 characters. For example, the following code would print a mix of English, Greek, Spanish, Russian, and ASCII characters:

#include <cstdio>
#include <windows.h>

int main()
{
    SetConsoleOutputCP(65001);
    printf("Testing unicode -- English -- Ελληνικά -- Español -- Русский. aäbcdefghijklmnoöpqrsßtuüvwxyz\n");

    return 0;
}

Additional Tips:

• Ensure that your console font supports Unicode. Lucida Console or Consolas are recommended options.
• It is not necessary to change the debugger output code page separately.
• By following these steps, you will be able to correctly display UTF-8 characters in your C console applications on Windows.

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