Type Alias PASYNC_READ_COMPLETION_CALLBACK 

pub type PASYNC_READ_COMPLETION_CALLBACK = Option<unsafe extern "system" fn(context: *const c_void) -> bool>;

Aliased Type

pub enum PASYNC_READ_COMPLETION_CALLBACK {
    None,
    Some(unsafe extern "system" fn(*const c_void) -> bool),
}

Variants

None

No value.

Some(unsafe extern "system" fn(*const c_void) -> bool)

Some value of type T.