Type Alias PFNGLLABELOBJECTEXTPROC

pub type PFNGLLABELOBJECTEXTPROC = Option<unsafe extern "C" fn(_: u32, _: u32, _: i32, _: *const i8)>;

Aliased Type

enum PFNGLLABELOBJECTEXTPROC {
    None,
    Some(unsafe extern "C" fn(_: u32, _: u32, _: i32, _: *const i8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: u32, _: u32, _: i32, _: *const i8))

Some value of type T.