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Today, I will talk to you about how to use the GetStdHandle function in C language. Many people may not know much about it. In order to make you understand better, the editor has summarized the following content for you. I hope you can get something according to this article.

The interface of the function HANDLE WINAPI GetStdHandle (_ In_ DWORD nStdHandle); / / WINAPI is not the type of return value, but HANDLE is, and WINAPI is the system call convention.

This function is used to get a handle to the specified standard device (standard input, standard output, or standard error).

Parameters.

NStdHandle

Standard handle. This parameter can be one of the following values.

Value meaning

STD_INPUT_HANDLE

Handle to standard input

STD_OUTPUT_HANDLE

Handle to standard output

STD_ERROR_HANDLE

Handle to standard error

Header file Windows.h

Return value

If the function succeeds, the return value is the handle to the specified device or the redirect handle set by the previous call

If the function fails, the return value is an invalid handle value. To get the extension error message, call the GetLastError function

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