Thursday, 30 May 2013

Pointer Arithmetic in C

  Pointers are always a great source of confusion in C Programming. Here I have included two programs which might help you learn more about pointer arithmetic.


Program 1

int main()
{
    char *list[] = {"first", "second", "third", NULL};
    char** p;
    for(p=list; *p != NULL; p++)
    {
        printf("%s\n", p[0]);
    }
    return 0;
}
Program 2
int main()
{
    char* list[] = {"one", "two", "three", NULL};
    char** p;
    for(p=list; *p != NULL; p++)
    {
        printf("%s\n", *p);
    }
    return 0;
}


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