Using the calloc() function

/* 1703.c: Using the calloc() function */
#include <stdio.h>
#include <stdlib.h>
/* main() function */
main()
{
    float *ptr1, *ptr2;
    int i, n;
    int termination = 1;

    n = 5;
    ptr1 = calloc(n, sizeof(float));
    ptr2 = malloc(n * sizeof(float));
    if (ptr1 == NULL)
        printf("malloc() failed.\n");
    else if (ptr2 == NULL)
        printf("calloc() failed.\n");
    else {
        for (i=0; i<n; i++)
        printf("ptr1[%d]=%5.2f, ptr2[%d]=%5.2f\n",i, *(ptr1 + i), i, *(ptr2 + i));
        free(ptr1);
        free(ptr2);
        termination = 0;
    }
    return termination;
}