Function windows::Win32::Networking::WinHttp::WinHttpSendRequest

pub unsafe fn WinHttpSendRequest(
    hrequest: *mut c_void,
    lpszheaders: Option<&[u16]>,
    lpoptional: Option<*const c_void>,
    dwoptionallength: u32,
    dwtotallength: u32,
    dwcontext: usize
) -> Result<()>