Function rcudnn::cudnnGetCallback

pub unsafe extern "C" fn cudnnGetCallback(
    mask: *mut u32,
    udata: *mut *mut c_void,
    fptr: *mut Option<unsafe extern "C" fn(_: cudnnSeverity_t, _: *mut c_void, _: *const cudnnDebugStruct, _: *const i8)>
) -> cudnnStatus_t