HOLD_SIZE        3037 ext/nkf/nkf-utf8/nkf.c static unsigned char   hold_buf[HOLD_SIZE*2];
HOLD_SIZE        3042 ext/nkf/nkf-utf8/nkf.c     if (hold_count >= HOLD_SIZE*2)
HOLD_SIZE        3045 ext/nkf/nkf-utf8/nkf.c     return ((hold_count >= HOLD_SIZE*2) ? EOF : hold_count);