Type Alias PFN_DrvUnloadFontFile 

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

Aliased Type

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

Variants

None

No value.

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

Some value of type T.