[ns] Return value of a scheduled command

. Kind regards, Karsten Roscher

[ns] Good approach to extend MAC 802_11Ext

Hello. I am working on incorporating some MAC functionalities from the 802.11e standard and later based on this some ideas from the 802.11s draft into ns-2 (version 2.34) for my thesis. After some analysis I thought that the new 802.11 MAC (found in mac-802_11Ext) should be a good basis and the