Hangul_TCount
#define Hangul_NCount (Hangul_VCount * Hangul_TCount)
cc = (cc + c1) * Hangul_TCount;
if (c1 > 0 && c1 < Hangul_TCount) {
v = Hangul_VBase + (index % Hangul_NCount) / Hangul_TCount;
t = Hangul_TBase + index % Hangul_TCount;