nkf_toupper      2532 nkf.c                  if ( ((r[i] = c1 = (*i_getc)(f))==EOF) || nkf_toupper(c1) != p[i] ) {
nkf_toupper      2538 nkf.c                          if (k==i && nkf_toupper(c1)==p[k]) break;
nkf_toupper      2665 nkf.c              return nkf_toupper(x) - 'A' + 10;