/* Pointers to the previous and next move.
* The extraction program does not need the prev field, but my
* intention is to build other interfaces that might need it.
/* Pointers to the previous and next move.
* The extraction program does not need the prev field, but my
* intention is to build other interfaces that might need it.
Boolean output_total_plycount;
/* Whether to add a HashCode tag. */
Boolean add_hashcode_tag;
Boolean output_total_plycount;
/* Whether to add a HashCode tag. */
Boolean add_hashcode_tag;
/* The comment to use for position matches, if required. */
const char *position_match_comment;
/* Current input file name. */
/* The comment to use for position matches, if required. */
const char *position_match_comment;
/* Current input file name. */