UNGETC           723 ext/nkf/nkf1.7/nkf.c                                 UNGETC(c2,f); c2 = 0;
UNGETC           747 ext/nkf/nkf1.7/nkf.c                                     UNGETC(c2,f); c2 = 0;
UNGETC           807 ext/nkf/nkf1.7/nkf.c                             UNGETC(c2,f); c2 = 0;