nkf_unicode_to_utf8 1975 ext/nkf/nkf-utf8/nkf.c 	nkf_unicode_to_utf8(val, &c1, &c2, &c3, &c4);
nkf_unicode_to_utf8 2528 ext/nkf/nkf-utf8/nkf.c 	nkf_unicode_to_utf8(val, &c1, &c2, &c3, &c4);
nkf_unicode_to_utf8 2541 ext/nkf/nkf-utf8/nkf.c 	    nkf_unicode_to_utf8(val, &c1, &c2, &c3, &c4);