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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
int main(void)
{
unsigned char t1[256], t2[256];
int i;
int r;
for (i = 0; i < (int)sizeof(t1); i++)
t1[i] = t2[i] = (unsigned char)i;
r = memcmp(t1, t2, sizeof(t1));
printf("memcmp r = %d\n", r);
r = memcmp(t1, t2, sizeof(t1) / 2);
printf("memcmp r = %d\n", r);
t1[255] = 0;
r = memcmp(t1, t2, sizeof(t1));
printf("memcmp r = %d\n", r);
for (i = 0; i < (int)sizeof(t1); i++)
t1[i] = 0xaa;
memset(t2, 0xaa, sizeof(t2));
r = memcmp(t1, t2, sizeof(t1));
printf("memcmp r = %d\n", r);
return 0;
}
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