Sybase considers severity levels 0-16 as non-fatal. Above that you probably don't want to block messages.
|  | sybase_min_client_severityDescriptionvoid sybase_min_client_severity ( int severity )sybase_min_client_severity() sets the minimum client severity level. 
 See also sybase_min_server_severity().  add a note
  User Contributed Notes 
  sean dot healey at bayernlb dot co dot uk 28-Oct-2005 06:50 
Sybase considers severity levels 0-16 as non-fatal. Above that you probably don't want to block messages.
  rudolf at 1stomni dot com 28-Feb-2002 04:41 
This parameter setup level of responce mesage filtering when you compile
  27-Oct-2001 05:46
   
The severity levels mentioned here are referenced in the Sybase System Administration documentation. I didn't know that, and it annoyed me. Now you know.
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