Function divans::divans_decode

#[no_mangle]
pub unsafe extern "C" fn divans_decode(
    state_ptr: *mut DivansDecompressorState, 
    input_buf_ptr: *const u8, 
    input_size: usize, 
    input_offset_ptr: *mut usize, 
    output_buf_ptr: *mut u8, 
    output_size: usize, 
    output_offset_ptr: *mut usize
) -> u8