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* @(#)lfs_cksum.c 8.2 (Berkeley) 10/9/94
* Simple, general purpose, fast checksum. Data must be short-aligned.
* Returns a u_long in case we ever want to do something more rigorous.
* Use the TCP/IP checksum instead.
len
&= ~(sizeof(u_short
) - 1);
for (sum
= 0; len
; len
-= sizeof(u_short
)) {
str
= (void *)((u_short
*)str
+ 1);