ref: b3e06559475b0130a7a2fb56ac4d131d13d2012f
dir: /sys/src/libauthsrv/nvcsum.c/
#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; }