In case some of you have forgotten how computers work!

aslr.c

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>

int main(void) {
    uint8_t x = 0xca;
    uint8_t* p = &x;

    printf("x = %d p = %p\n", x, p);

    return EXIT_SUCCESS;
}

aslr2.c

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>

#define BUFLEN 8    /* 8 bytes */
#define CANARY 0x7F /* unlikely to receive this via `stdin` */

void foo(void) {
    printf("BANG!\n");
}

int main(void) {
    uint8_t canary = CANARY;
    char buf[BUFLEN];

    memset(buf, 0x00, BUFLEN);

    int res = scanf("%s", buf);

    if (res != EOF && res < 0) {
        perror("scanf");
        return EXIT_FAILURE;
    }

    printf("%s\n", buf);
    printf("%d", canary);

    if (canary == CANARY) {
        printf(" (ok)\n");
    } else {
        printf(" (bad)\n");
    }

    return EXIT_SUCCESS;
}