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How to Display UTF-8 Characters in a Windows C Console Application?

Patricia Arquette
Patricia ArquetteOriginal
2024-11-24 15:10:15828browse

How to Display UTF-8 Characters in a Windows C   Console Application?

Displaying UTF-8 in a Windows Console Application with C

This question explores the challenge of printing UTF-8 encoded Japanese characters to the console in a C console application running on Windows using cout or wcout.

Solution

To print UTF-8 characters correctly, a few steps are necessary:

  1. Set Console Output Encoding: Use SetConsoleOutputCP(65001); to set the console output encoding to UTF-8.
  2. Use Unicode-Enabled Functions: Print UTF-8 strings using printf() or wprintf() instead of cout or wcout.
  3. Configure Source File Encoding: Save the source file as "Unicode (UTF-8 with signature) - Codepage 65001."
  4. Set Character Set in Project Properties: In project properties, set "Character Set" to "Use Unicode Character Set."
  5. Consider Font: Some suggest using the "Lucida Console" font, but "Consolas" or other fonts may work as well.

Sample Code

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

#pragma execution_character_set( "utf-8" )

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

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