pub unsafe extern "C" fn virEventAddHandle(
fd: c_int,
events: c_int,
cb: virEventHandleCallback,
opaque: *mut c_void,
ff: virFreeCallback,
) -> c_intpub unsafe extern "C" fn virEventAddHandle(
fd: c_int,
events: c_int,
cb: virEventHandleCallback,
opaque: *mut c_void,
ff: virFreeCallback,
) -> c_int