pub unsafe extern "system" fn DdeInitialize(
pidinst: *mut u32,
pfncallback: Option<unsafe extern "system" fn(u32, u32, *mut c_void, *mut c_void, *mut c_void, *mut c_void, usize, usize) -> *mut c_void>,
afcmd: u32,
ulres: u32,
) -> u32