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Lines Matching defs:sum

88  *		sum += byte;
89  *		if (sum > 255)
90  *			sum -= 255;
95  * checksum as "cksum = sum - ((sum - 1) / 255) * 255)".  That
113 	u_int sum;
116 	sum = 0;
121 	 * Sum the contents of the block, keeping track of whether
126 		sum += bootblock[i];
142 	return (sum - ((sum - 1) / 255) * 255);