int script_1553(int arg0,int arg1,string arg2) {
	int ivar2;
	int ivar3;
	int ivar4;
	ivar2 = 0;
	ivar3 = 0;
	ivar4 = 0;
	switch (arg0) {
		case 96:
			return max(subtract(arg1, 1), 0);
		case 97:
			return min(add(arg1, 1), strLength(arg2));
		case 98:
			ivar2 = subtract(arg1, 1);
			if ((arg1 > 0) && (strIndexof(ivar2, arg2, " ") == ivar2)) {
				return ivar2;
			}
			ivar2 = -1;
			ivar3 = -1;
			while (ivar4 != 1) {
				ivar2 = strIndexof(add(ivar2, 1), arg2, " ");
				if ((ivar2 == -1) || (ivar2 >= subtract(arg1, 1))) {
					ivar4 = 1;
				} else {
					ivar3 = ivar2;
				}
			}
			return min(add(ivar3, 1), strLength(arg2));
		case 99:
			if (strIndexof(arg1, arg2, " ") == arg1) {
				return min(add(arg1, 1), strLength(arg2));
			}
			ivar2 = strLength(arg2);
			if (arg1 < ivar2) {
				ivar3 = strIndexof(add(arg1, 1), arg2, " ");
				if (ivar3 != -1) {
					return ivar3;
				}
				return ivar2;
			}
			break;
		case 102:
			return 0;
	}
	return strLength(arg2);
}