Type Alias PREAD_DMA_COUNTER 

pub type PREAD_DMA_COUNTER = Option<unsafe extern "system" fn(dmaadapter: *const DMA_ADAPTER) -> u32>;

Aliased Type

pub enum PREAD_DMA_COUNTER {
    None,
    Some(unsafe extern "system" fn(*const DMA_ADAPTER) -> u32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(*const DMA_ADAPTER) -> u32)

Some value of type T.