pub type tPinnedMalloc = Option<unsafe extern "C" fn(arg1: *mut *mut c_void, arg2: usize, flags: c_uint) -> c_int>;
pub enum tPinnedMalloc { None, Some(unsafe extern "C" fn(*mut *mut c_void, usize, u32) -> i32), }
No value.
Some value of type T.
T