Type Alias PFNLVGROUPCOMPARE 

pub type PFNLVGROUPCOMPARE = Option<unsafe extern "system" fn(c_int, c_int, *mut c_void) -> c_int>;

Aliased Type

pub enum PFNLVGROUPCOMPARE {
    None,
    Some(unsafe extern "system" fn(i32, i32, *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(i32, i32, *mut c_void) -> i32)

Some value of type T.