420 int utf8ncursor(struct utf8cursor *u8c, const struct unicode_map *um,  in utf8ncursor()  argument
425 	u8c->um = um;  in utf8ncursor()
426 	u8c->n = n;  in utf8ncursor()
427 	u8c->s = s;  in utf8ncursor()
428 	u8c->p = NULL;  in utf8ncursor()
429 	u8c->ss = NULL;  in utf8ncursor()
430 	u8c->sp = NULL;  in utf8ncursor()
431 	u8c->len = len;  in utf8ncursor()
432 	u8c->slen = 0;  in utf8ncursor()
433 	u8c->ccc = STOPPER;  in utf8ncursor()
434 	u8c->nccc = STOPPER;  in utf8ncursor()
436 	if (u8c->len != len)  in utf8ncursor()
471 int utf8byte(struct utf8cursor *u8c)  in utf8byte()  argument
478 		if (u8c->p && *u8c->s == '\0') {  in utf8byte()
479 			u8c->s = u8c->p;  in utf8byte()
480 			u8c->p = NULL;  in utf8byte()
484 		if (!u8c->p && (u8c->len == 0 || *u8c->s == '\0')) {  in utf8byte()
486 			if (u8c->ccc == STOPPER)  in utf8byte()
491 		} else if ((*u8c->s & 0xC0) == 0x80) {  in utf8byte()
493 			if (!u8c->p)  in utf8byte()
494 				u8c->len--;  in utf8byte()
495 			return (unsigned char)*u8c->s++;  in utf8byte()
499 		if (u8c->p) {  in utf8byte()
500 			leaf = utf8lookup(u8c->um, u8c->n, u8c->hangul, u8c->s);  in utf8byte()
502 			leaf = utf8nlookup(u8c->um, u8c->n, u8c->hangul,  in utf8byte()
503 					   u8c->s, u8c->len);  in utf8byte()
512 		if (u8c->um->tables->utf8agetab[LEAF_GEN(leaf)] >  in utf8byte()
513 		    u8c->um->ntab[u8c->n]->maxage) {  in utf8byte()
516 			u8c->len -= utf8clen(u8c->s);  in utf8byte()
517 			u8c->p = u8c->s + utf8clen(u8c->s);  in utf8byte()
518 			u8c->s = LEAF_STR(leaf);  in utf8byte()
520 			if (*u8c->s == '\0') {  in utf8byte()
521 				if (u8c->ccc == STOPPER)  in utf8byte()
527 			leaf = utf8lookup(u8c->um, u8c->n, u8c->hangul, u8c->s);  in utf8byte()
537 		if (ccc != STOPPER && u8c->ccc < ccc && ccc < u8c->nccc)  in utf8byte()
538 			u8c->nccc = ccc;  in utf8byte()
544 		if (ccc == u8c->ccc) {  in utf8byte()
545 			if (!u8c->p)  in utf8byte()
546 				u8c->len--;  in utf8byte()
547 			return (unsigned char)*u8c->s++;  in utf8byte()
552 		if (u8c->nccc == STOPPER) {  in utf8byte()
558 			u8c->ccc = MINCCC - 1;  in utf8byte()
559 			u8c->nccc = ccc;  in utf8byte()
560 			u8c->sp = u8c->p;  in utf8byte()
561 			u8c->ss = u8c->s;  in utf8byte()
562 			u8c->slen = u8c->len;  in utf8byte()
563 			if (!u8c->p)  in utf8byte()
564 				u8c->len -= utf8clen(u8c->s);  in utf8byte()
565 			u8c->s += utf8clen(u8c->s);  in utf8byte()
568 			if (!u8c->p)  in utf8byte()
569 				u8c->len -= utf8clen(u8c->s);  in utf8byte()
570 			u8c->s += utf8clen(u8c->s);  in utf8byte()
571 		} else if (u8c->nccc != MAXCCC + 1) {  in utf8byte()
573 			u8c->ccc = u8c->nccc;  in utf8byte()
574 			u8c->nccc = MAXCCC + 1;  in utf8byte()
575 			u8c->s = u8c->ss;  in utf8byte()
576 			u8c->p = u8c->sp;  in utf8byte()
577 			u8c->len = u8c->slen;  in utf8byte()
580 			u8c->ccc = STOPPER;  in utf8byte()
581 			u8c->nccc = STOPPER;  in utf8byte()
582 			u8c->sp = NULL;  in utf8byte()
583 			u8c->ss = NULL;  in utf8byte()
584 			u8c->slen = 0;  in utf8byte()