+20 Command code + Reference number
rest of block as defined by code
The command code is one 16-bit fields, and the reference number is the top 16 bits (to be supplied by the client application). The reference will be preserved by NewsBase in replies. This permits overlapping command-reply sequences issued by a client to be identified and followed.
NewsBase command codes
General Purpose Commands
0 NewsBase_StartUp
10 NewsBase_ShutDown
20 NewsBase_SetUser
30 NewsBase_SiteInfo
40 NewsBase_SetSiteInfo
