Type Alias PReadOpenProc 

pub type PReadOpenProc = Option<unsafe extern "C" fn(arg1: *mut vlVoid) -> vlBool>;

Aliased Type

pub enum PReadOpenProc {
    None,
    Some(unsafe extern "C" fn(*mut c_void) -> u8),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void) -> u8)

Some value of type T.