| #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 < 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 < 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; |
| } |
| |
