git: 9front

ref: 8e72067d5f39f98daadd6f5f2ed09e8cc558d22f
dir: /sys/src/cmd/unix/drawterm/libauthsrv/nvcsum.c/

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#include <u.h>
#include <libc.h>
#include <auth.h>

uchar
nvcsum(void *vmem, int n)
{
	uchar *mem, sum;
	int i;

	sum = 9;
	mem = vmem;
	for(i = 0; i < n; i++)
		sum += mem[i];
	return sum;
}