void parse_strategy_opts(struct replay_opts *opts, char *raw_opts);
int write_basic_state(struct replay_opts *opts, const char *head_name,
const char *onto, const char *orig_head);
void parse_strategy_opts(struct replay_opts *opts, char *raw_opts);
int write_basic_state(struct replay_opts *opts, const char *head_name,
const char *onto, const char *orig_head);