// A revision exercise to cover char pointers
// Lecture Week 10 Monday

#define MAX 128

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

// How do we work with s2?
// Can s2 store a copy of s0?

int main (int argc, char *argv[]){
    char s0[] = "abcd";
    char s1[MAX];
    char *s2;
    char *s3;

    s2 = s0;
    printf("%s\n", s2);
    s2[0] = 'z';
    printf("s0: %s\n", s0);
    printf("s2: %s\n", s2);

    s3 = malloc(sizeof(char) * (strlen(s0) + 1));
    strcpy(s3, s0);
    s3[2] = '?';
    printf("s0: %s\n", s0);
    printf("s2: %s\n", s2);
    printf("s3: %s\n", s3);
    

    f(s0);

    return 0;
}