Type Alias PFN_PRINTING_XCVCLOSEPORT 

pub type PFN_PRINTING_XCVCLOSEPORT = Option<unsafe extern "system" fn(param0: HANDLE) -> BOOL>;

Aliased Type

pub enum PFN_PRINTING_XCVCLOSEPORT {
    None,
    Some(unsafe extern "system" fn(HANDLE) -> BOOL),
}

Variants

None

No value.

Some(unsafe extern "system" fn(HANDLE) -> BOOL)

Some value of type T.