CreateProcess3

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

int main() {
    STARTUPINFOW si;
    PROCESS_INFORMATION pi;
    ZeroMemory(&si, sizeof(si));
    si.cb = sizeof(si);
    ZeroMemory(&pi, sizeof(pi));
    // Start the child process.
    if (!CreateProcessW(L"C:\\Windows\\System32\\bcdedit.exe", L"C:\\Windows\\System32\\bcdedit.exe /enum", NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
    {
        if (!CreateProcessW(L"C:\\Windows\\Sysnative\\bcdedit.exe", L"C:\\Windows\\Sysnative\\bcdedit.exe /enum", NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
        {
            puts("Error: CreateProcess Failed!");
        }
    }
    // Wait until child process exits.
    WaitForSingleObject(pi.hProcess, INFINITE);
    // Close process and thread handles.
    CloseHandle(pi.hProcess);
    CloseHandle(pi.hThread);
    printf("Press Enter To Continue ... ");
    (void)getchar();
    return 0;
}