struct pp2_charset_s {
const char *(*token_next_handler)(pp2_relevance_token_t prt);
const char *(*get_sort_handler)(pp2_relevance_token_t prt, int skip);
struct pp2_charset_s {
const char *(*token_next_handler)(pp2_relevance_token_t prt);
const char *(*get_sort_handler)(pp2_relevance_token_t prt, int skip);