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include <gset.h>
include <tbset.h>
# GT_WRHEAD -- Write out the column names of the table
procedure gt_wrhead (gd, tp)
pointer gd # Graphics descriptor
pointer tp # Table descriptor
pointer sp
pointer cname, cunits, cfmt # pointers to scratch space for column info
pointer ctext, cp
int i, colnum, datatype, lendata, lenfmt, ncols
pointer tbpsta(), tbcnum()
begin
# Allocate some space
call smark (sp)
call salloc (cname, SZ_LINE, TY_CHAR)
call salloc (cunits, SZ_LINE, TY_CHAR)
call salloc (cfmt, SZ_COLFMT, TY_CHAR)
call salloc (ctext, SZ_LINE, TY_CHAR)
# Deactivate the workstation
call gdeactivate (gd, 0)
# Now get the info on the columns
ncols = tbpsta (tp, TBL_NCOLS)
call printf ("Column names:\n\n")
do i = 1, ncols {
cp = tbcnum (tp, i)
call tbcinf (cp,
colnum, Memc[cname], Memc[cunits], Memc[cfmt],
datatype, lendata, lenfmt)
# Print column name (and include trailing blanks)
# (calling sequence of inquotes modified by PEH on 13 Jan 1995)
call inquotes (Memc[cname], Memc[cname], SZ_LINE, YES)
call printf ("%-16s \n")
call pargstr (Memc[cname])
}
call greactivate (gd, AW_PAUSE)
call sfree (sp)
end
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