void dbsetstart(DB_Signal s, long bytes)
This function sets the specified prolog length (bytes) to be
recorded by newheader
or setheader
for signal s.
For an example of the use of dbsetstart
, see section dbgetskew. Note
that dbsetstart
has no effect on the calculations of byte offsets
within signal files as performed by isigsettime
, which are
determined solely by the contents of the `header' file at the time
the signals were opened. (This function was first introduced in DB library
version 9.4.)
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