int main(int argc, char *argv[]) {
// create two arrays we care about
int ages[] = {23, 43, 12, 89, 2};
char *names[] = {"Alan", "Frank", "Mary", "John", "Lisa"};
int count = sizeof(ages) / sizeof(int);
print_indexing(names, ages, count);
print_divider();
print_pointers(names, ages, count);
print_divider();
print_pointers_as_arrays(names, ages, count);
print_divider();
print_stupid_complex(names, ages, count);
print_divider();
print_addresses(names, ages, count);
return 0;
}
int main(int argc, char *argv[])
{
// create two arrays we care about
int ages[] = {23, 43, 12, 89, 2};
char *names[] = {
"Alan", "Frank",
"Mary", "John", "Lisa"
};
// safely get the size of ages
int count = sizeof(ages) / sizeof(int);
int name_count = sizeof(names) / sizeof(names[0]);
int name_length = 0;
int i = 0;
int j = 0;
// first way using indexing
/*for(i = 0; i < count; i++) {
printf("%s has %d years alive.\n",
names[i], ages[i]);
}
printf("---\n");*/
print_index(ages, names, count);
printf("---\n");
// second way using pointers
/*for(i = 0; i < count; i++) {
printf("%s is %d years old.\n",
*(cur_name+i), *(cur_age+i));
}
printf("---\n");*/
print_startpointers(ages, names, count);
printf("---\n");
// third way, pointers are just arrays
/*for(i = 0; i < count; i++) {
printf("%s is %d years old again.\n",
cur_name[i], cur_age[i]);
}
printf("---\n");*/
print_pointers_as_arrays(ages, names, count);
printf("---\n");
// fourth way with pointers in a stupid complex way
/*for(cur_name = names, cur_age = ages;
(cur_age - ages) < count;
cur_name++, cur_age++)
{
printf("%s lived %d years so far.\n",
*cur_name, *cur_age);
}
printf("---\n");*/
print_stupid(ages, names, count);
printf("---\n");
// Extra credit
for (i = 0; i < name_count; ++i) {
printf("%s(%p)\n", names[i], &names[i]);
name_length = strlen(names[i]);
for (j = 0; j < name_length; ++j) {
printf("\t%c(%p)\n",*((names[i]) + j), (names[i] + j));
}
}
printf("+++\n");
for (i = 0; i < count; ++i) {
printf("%d(%p)\n", ages[i], &ages[i]);
}
return 0;
}
