Function sixel_sys::sixel_allocator_new

pub unsafe extern "C" fn sixel_allocator_new(
    ppallocator: *mut *mut Allocator, 
    fn_malloc: MallocFn, 
    fn_calloc: CallocFn, 
    fn_realloc: ReallocFn, 
    fn_free: FreeFn
) -> Status

Create a new allocator