Type Alias IOBlitterPtr 

pub type IOBlitterPtr = Option<unsafe extern "C-unwind" fn(*mut c_void, IOOptionBits, IOBlitType, IOBlitSourceType, *mut IOBlitOperation, *mut c_void) -> IOReturn>;

Available on crate feature graphics only.

Apple’s documentation

Aliased Type

pub enum IOBlitterPtr {
    None,
    Some(unsafe extern "C-unwind" fn(*mut c_void, u32, u32, u32, *mut IOBlitOperationStruct, *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C-unwind" fn(*mut c_void, u32, u32, u32, *mut IOBlitOperationStruct, *mut c_void) -> i32)

Some value of type T.