WinAPI - Change repeat key rate

keyrate.c

#include <windows.h>
#include <stdlib.h>
#include <stdio.h>

// ref. https://github.com/EricTetz/keyrate
// Compile from Developer PowerShell for VS with:
// cl /Fe$@ /DWIN32_LEAN_AND_MEAN /O1 /Oa /Og /Os /Oy /Oi user32.lib $?

int main(int argc, char* argv[])
{

    FILTERKEYS keys = { sizeof(FILTERKEYS) };

    keys.iDelayMSec = 230;
    keys.iRepeatMSec = 30;
    keys.dwFlags = FKF_FILTERKEYSON|FKF_AVAILABLE;

    if (!SystemParametersInfo (SPI_SETFILTERKEYS, 0, (LPVOID) &keys, 0))
    {
        fprintf (stderr, "System call failed.\n");
    }

    return 0;
}