pub type PVIRTUALCHANNELWRITE = Option<unsafe extern "system" fn(openhandle: u32, pdata: *mut c_void, datalength: u32, puserdata: *mut c_void) -> u32>;

Aliased Type§

enum PVIRTUALCHANNELWRITE {
    None,
    Some(unsafe extern "system" fn(_: u32, _: *mut c_void, _: u32, _: *mut c_void) -> u32),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: u32, _: *mut c_void, _: u32, _: *mut c_void) -> u32)

Some value of type T.