System.util.zlib.Deflate.deflateEnd C# (CSharp) Method

        internal int deflateEnd(){
            if(status!=INIT_STATE && status!=BUSY_STATE && status!=FINISH_STATE){
                return Z_STREAM_ERROR;
            }
            // Deallocate in reverse order of allocations:
            pending_buf=null;
            head=null;
            prev=null;
            window=null;
            // free
            // dstate=null;
            return status == BUSY_STATE ? Z_DATA_ERROR : Z_OK;
        }