pub type AVRF_RESOURCE_ENUMERATE_CALLBACK = Option<unsafe extern "system" fn(resourcedescription: *mut c_void, enumerationcontext: *mut c_void, enumerationlevel: *mut u32) -> u32>;

Aliased Type§

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

Variants§

§1.0.0

None

No value.

§1.0.0

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

Some value of type T.