151  *          defined.  The CCC of a non-defined code point is 0.
154  *          with a non-zero CCC that occur between two characters with
155  *          a CCC of 0, or at the begin or end of a string.
156  *          The unicode standard guarantees that all CCC values are
159  *          Code points with CCC 0 are known as stoppers.
163  *          The CCC of a decomposable character is the same as the CCC
167  *          These do affect normalization, as they all have CCC 0.
1341 	int ccc;  member
1381 	if (left->ccc != right->ccc)  in nfdi_equal()
1398 	if (left->ccc != right->ccc)  in nfdicf_equal()
1419 	printf("%*sleaf @ %p code %X ccc %d gen %d", indent, "", leaf,  in nfdi_print()
1420 		leaf->code, leaf->ccc, leaf->gen);  in nfdi_print()
1434 	printf("%*sleaf @ %p code %X ccc %d gen %d", indent, "", leaf,  in nfdicf_print()
1435 		leaf->code, leaf->ccc, leaf->gen);  in nfdicf_print()
1523 		*data++ = leaf->ccc;  in nfdi_emit()
1549 		*data++ = leaf->ccc;  in nfdicf_emit()
1803 			} else if (data->ccc != LEAF_CCC(leaf)) {  in verify()
1808 			printf("%X code %X gen %d ccc %d"  in verify()
1811 				data->ccc,  in verify()
1814 				printf(" gen %d ccc %d"  in verify()
2074 				unicode_data[unichar].ccc = value;  in ccc_init()
2078 				printf(" %X..%X ccc %d\n", first, last, value);  in ccc_init()
2085 			unicode_data[unichar].ccc = value;  in ccc_init()
2088 				printf(" %X ccc %d\n", unichar, value);  in ccc_init()
2905 	short int	ccc;  member
2935 	u8c->ccc = STOPPER;  in utf8ncursor()
2971  * Characters are emitted if they match the current CCC in u8c->ccc.
2972  * Hitting end-of-string while u8c->ccc == STOPPER means we're done,
2975  * Sorting by CCC is done by repeatedly scanning the string.  The
2977  * the start of the scan.  The first pass finds the lowest CCC to be
2979  * characters with this CCC and finds the next lowest CCC. This limits
2986  *  u8c->ccc == -1  -> this is the first scan of a repeating scan.
2991 	int ccc;  in utf8byte()  local
3003 			if (u8c->ccc == STOPPER)  in utf8byte()
3006 			ccc = STOPPER;  in utf8byte()
3027 		/* Characters that are too new have CCC 0. */  in utf8byte()
3029 			ccc = STOPPER;  in utf8byte()
3030 		} else if ((ccc = LEAF_CCC(leaf)) == DECOMPOSE) {  in utf8byte()
3034 			/* Empty decomposition implies CCC 0. */  in utf8byte()
3036 				if (u8c->ccc == STOPPER)  in utf8byte()
3038 				ccc = STOPPER;  in utf8byte()
3042 			ccc = LEAF_CCC(leaf);  in utf8byte()
3050 		if (ccc != STOPPER && u8c->ccc < ccc && ccc < u8c->nccc)  in utf8byte()
3051 			u8c->nccc = ccc;  in utf8byte()
3057 		if (ccc == u8c->ccc) {  in utf8byte()
3071 			assert(u8c->ccc == STOPPER);  in utf8byte()
3072 			u8c->ccc = MINCCC - 1;  in utf8byte()
3073 			u8c->nccc = ccc;  in utf8byte()
3080 		} else if (ccc != STOPPER) {  in utf8byte()
3081 			/* Not a stopper, and not the ccc we're emitting. */  in utf8byte()
3086 			/* At a stopper, restart for next ccc. */  in utf8byte()
3087 			u8c->ccc = u8c->nccc;  in utf8byte()
3094 			u8c->ccc = STOPPER;  in utf8byte()