711 	unsigned int wc;  in utf_widthadj()  local
714 	if (!UTFMODE || (len = utf_mbtowc(&wc, src)) == (size_t)-1 ||  in utf_widthadj()
715 	    wc == 0)  in utf_widthadj()
717 	else if ((width = utf_wcwidth(wc)) < 0)  in utf_widthadj()
730 	unsigned int wc;  in utf_mbswidth()  local
737 		if (((len = utf_mbtowc(&wc, s)) == (size_t)-1) ||  in utf_mbswidth()
738 		    ((cw = utf_wcwidth(wc)) == -1)) {  in utf_mbswidth()
793 	unsigned int c, wc;  in utf_mbtowc()  local
795 	if ((wc = ord(rtt2asc(*s++))) < 0x80) {  in utf_mbtowc()
798 			*dst = wc;  in utf_mbtowc()
799 		return (wc ? ((const char *)s - src) : 0);  in utf_mbtowc()
801 	if (wc < 0xC2 || wc >= 0xF0)  in utf_mbtowc()
807 	if (wc < 0xE0) {  in utf_mbtowc()
808 		wc = (wc & 0x1F) << 6;  in utf_mbtowc()
811 		wc |= c & 0x3F;  in utf_mbtowc()
815 	wc = (wc & 0x0F) << 12;  in utf_mbtowc()
819 	wc |= (c & 0x3F) << 6;  in utf_mbtowc()
823 	wc |= c & 0x3F;  in utf_mbtowc()
826 	if (wc >= 0x0800 && wc <= 0xFFFD)  in utf_mbtowc()
833 utf_wctomb(char *dst, unsigned int wc)  in utf_wctomb()  argument
837 	if (wc < 0x80) {  in utf_wctomb()
838 		*dst = asc2rtt(wc);  in utf_wctomb()
843 	if (wc < 0x0800)  in utf_wctomb()
844 		*d++ = asc2rtt((wc >> 6) | 0xC0);  in utf_wctomb()
846 		*d++ = asc2rtt(((wc = wc > 0xFFFD ? 0xFFFD : wc) >> 12) | 0xE0);  in utf_wctomb()
847 		*d++ = asc2rtt(((wc >> 6) & 0x3F) | 0x80);  in utf_wctomb()
849 	*d++ = asc2rtt((wc & 0x3F) | 0x80);  in utf_wctomb()
1182 utf_wcwidth(unsigned int wc)  in utf_wcwidth()  argument
1185 	if (wc < 0x20 || (wc >= 0x7F && wc < 0xA0))  in utf_wcwidth()
1186 		return (wc ? -1 : 0);  in utf_wcwidth()
1189 	if (mb_ucsbsearch(mb_ucs_combining, NELEM(mb_ucs_combining), wc))  in utf_wcwidth()
1193 	if (mb_ucsbsearch(mb_ucs_fullwidth, NELEM(mb_ucs_fullwidth), wc))  in utf_wcwidth()