Windows NT: The GetConsoleOutputCP function returns the identity of the output code page used by the console associated with the calling process. A console uses its output code page to translate the character values written by the various output functions into the images displayed in the console window.
Windows 95: On Japanese and Korean implementations of Windows 95, the GetConsoleOutputCP function returns the VM code page, because the OEM code page can be either 437 or DBCS. On all other implementations of Windows 95, the GetConsoleOutputCP function returns the OEM code page.
UINT GetConsoleOutputCP(VOID)
This function has no parameters.
The return value is a code that identifies the code page.
A code page maps 256 character codes to individual characters. Different code pages include different special characters, typically customized for a language or a group of languages.
To set a console’s output code page, use the SetConsoleOutputCP function. To set and query a console’s input code page, use the SetConsoleCP and GetConsoleCP functions.