int session_grep_databases(struct session *se, const char *filter,
void (*fun)(struct session *se, struct session_database *db));
int predef_grep_databases(void *context, struct conf_service *service,
int session_grep_databases(struct session *se, const char *filter,
void (*fun)(struct session *se, struct session_database *db));
int predef_grep_databases(void *context, struct conf_service *service,