int totalCreateContextLength = 0;
        if ( this.createContexts != null ) {
            int lastStart = -1;
            for ( CreateContextRequest createContext : this.createContexts ) {
                int structStart = dstIndex;

                SMBUtil.writeInt4(0, dst, structStart); // Next
                if ( lastStart > 0 ) {
                    // set next pointer of previous CREATE_CONTEXT