nd.dbg

实现简单的查询

------------------- TRACEBACK -------------------------
Module "Str  " Message   5: file ".\err.c   " line 645
Module "Msw  " Message   0: file ".\msw.c   " line 475
Module "Draw " Message  -1: file ".\drawmsw.c" line 4853
Module "Draw " Message  -1: file ".\drawinva.c" line 54
Module "Event" Message  -1: file ".\event.c " line 2594
Module "Appl " Message  -1: file "..\appl\appl.c" line 1912
Module "Err  " Message  -1: file ".\err.c   " line 2009
-------------------------------------------------------
FATAL ERROR     Failure during error recovery