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include "tbtables.h"
# tbyncn -- Y new column null
# Write INDEF values for each new column in each row of a table.
# This is called after defining new columns in an open table.
procedure tbyncn (tp, colptr, numcols)
pointer tp # Pointer to table descriptor
pointer colptr[numcols] # Array of pointers to descr of new columns
int numcols # The number of new columns
int fd # identifies the file for the table data
int firstrow # the first row to be set to indef
int lastrow # the last row to be set to indef
errchk tbyscn
begin
firstrow = 1
lastrow = TB_ALLROWS(tp)
fd = TB_FILE(tp)
# set columns to null
call tbyscn (tp, fd, colptr, numcols, firstrow, lastrow)
end
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