Type Alias PtDspyQueryFuncPtr 

pub type PtDspyQueryFuncPtr = Option<unsafe extern "C" fn(arg1: PtDspyImageHandle, arg2: PtDspyQueryType, arg3: c_int, arg4: *mut c_void) -> PtDspyError>;

Aliased Type

pub enum PtDspyQueryFuncPtr {
    None,
    Some(unsafe extern "C" fn(*mut c_void, PtDspyQueryType, i32, *mut c_void) -> PtDspyError),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, PtDspyQueryType, i32, *mut c_void) -> PtDspyError)

Some value of type T.