windows设置系统时间

#include <windows.h>int main (){    SYSTEMTIME st;    memset(&st, 0, sizeof(st));    st.wYear = 2012;    st.wMonth = 3;    st.wDay = 10;    st.wHour = 10;    st.wMinute = 10;    st.wSecond = 10;    SetLocalTime(&st); // 设置Windows本地时间 2012-3-10 10:10:10    return 0;}