HOLD_SIZE        3355 ext/nkf/nkf-utf8/nkf.c static nkf_char   hold_buf[HOLD_SIZE*2];
HOLD_SIZE        3360 ext/nkf/nkf-utf8/nkf.c     if (hold_count >= HOLD_SIZE*2)
HOLD_SIZE        3363 ext/nkf/nkf-utf8/nkf.c     return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count);