calloc in C++/C
#include <cstdlib>
#include <iostream>
using namespace std;
int main() {
int *ptr;
ptr = (int *)calloc(5, sizeof(int));
if (!ptr) {
cout << "Memory Allocation Failed";
exit(1);
}
cout << "Initializing values..." << endl
<< endl;
for (int i = 0; i < 5; i++) {
ptr[i] = i * 2 + 1;
}
cout << "Initialized values" << endl;
for (int i = 0; i < 5; i++) {
/* ptr[i] and *(ptr+i) can be used interchangeably */
cout << *(ptr + i) << endl;
}
free(ptr);
return 0;
}