sInput

#define WINVER 0x0500
#include <windows.h>
void SendKbInp(const char *str, const DWORD delayT = 0, const DWORD delayT2 = 0, bool pressEnter = true)
{
    INPUT ip;
    Sleep(delayT);
    ip.type = INPUT_KEYBOARD;
    ip.ki.wScan = 0;
    ip.ki.time = 0;
    ip.ki.dwExtraInfo = 0;
    for (int i = 0;;)
    {
        char c;
        if (!str[i]){
            if (!pressEnter)
                return;
            c = VK_RETURN;
            pressEnter = false;
        }
        else
            c = str[i++];

        ip.ki.wVk = VkKeyScanA(c);
        ip.ki.dwFlags = false;
        SendInput(1, &ip, sizeof(INPUT));
        ip.ki.dwFlags = KEYEVENTF_KEYUP;
        SendInput(1, &ip, sizeof(INPUT));
        Sleep(1);
    }
}