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

int main(int argc,char *argv[]) {
    int value = 5;
    char buffer_one[8],buffer_two[8];

    strcpy(buffer_one,"one"); /* put "one" into buffer_one */
    strcpy(buffer_two,"two"); /* put "two" into buffer_two */

    printf("[BEFORE] buffer_two is at %p and contains \'%s\'\n",buffer_two,buffer_two);
    printf("[BEFORE] buffer_one is at %p and contains \'%s\'\n",buffer_one,buffer_one);
    printf("[BEFORE] value is at %p and is %d (0x%08x)\n",&value,value,value);

    printf("\n[STRCPY] copying %d bytes into buffer_two\n\n",strlen(argv[1]));
    strcpy(buffer_two,argv[1]); /* copy first argument into buffer_two */

    printf("[AFTER] buffer_two is at %p and contains \'%s\'\n",buffer_two);
    printf("[AFTER] buffer_one is at %p and contains \'%s\'\n",buffer_one);
    printf("[AFTER] value is at %p and is %d (0x%08x)\n",value);
}