ref: e1dcd2beb412a3e77b5c6df23571135137b486ed
dir: /sys/src/libc/port/memcmp.c/
#include <u.h>
#include <libc.h>
int
memcmp(void *a1, void *a2, ulong n)
{
uchar *s1, *s2;
uint c1, c2;
s1 = a1;
s2 = a2;
while(n > 0) {
c1 = *s1++;
c2 = *s2++;
if(c1 != c2) {
if(c1 > c2)
return 1;
return -1;
}
n--;
}
return 0;
}