Type Alias PFNGLXQUERYEXTENSIONSSTRINGPROC 

pub type PFNGLXQUERYEXTENSIONSSTRINGPROC = Option<unsafe extern "C" fn(*mut (), c_int) -> *const c_char>;

Aliased Type

pub enum PFNGLXQUERYEXTENSIONSSTRINGPROC {
    None,
    Some(unsafe extern "C" fn(*mut (), i32) -> *const i8),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut (), i32) -> *const i8)

Some value of type T.