+ fprintf (stderr, " -d delete instead of insert\n");
+ fprintf (stderr, " -r n set regular match range\n");
+ fprintf (stderr, " -u report if keys change during insert\n");
+ fprintf (stderr, " -g p try pattern n (see -r)\n");
+ fprintf (stderr, " -s n set info size to n (instead of 4)\n");
+ fprintf (stderr, " -v n set logging level\n");
+ fprintf (stderr, " -i f read file with words\n");
+ fprintf (stderr, " -w insert/delete instead of lookup\n");
+ fprintf (stderr, " -c n cache size (number of pages)\n");