public int normalize(char s[], int len) {for (int i = 0; i < len; i++) {switch (s[i]) {case FARSI_YEH:case YEH_BARREE:s[i] = YEH;break;case KEHEH:s[i] = KAF;break;case HEH_YEH:case HEH_GOAL:s[i] = HEH;break;case HAMZA_ABOVE: len = delete(s, i, len);i--;break;default:break;}}return len;}