char buf1[len], buf2[len], buf3[len];
randomize(buf1, sizeof(buf1));
buf1[0] &= 0x7f;
memset(buf2, 0, sizeof(buf2));
memset(buf3, 0, sizeof(buf2));
char buf1[len], buf2[len], buf3[len];
randomize(buf1, sizeof(buf1));
buf1[0] &= 0x7f;
memset(buf2, 0, sizeof(buf2));
memset(buf3, 0, sizeof(buf2));