#include <stdlib.h>

    #include <stdio.h>

    #include <string.h>

    

    int main()

    {

        char** list = calloc(10, sizeof(*list));

        int i;

        for (i = 0; i < 10; i++)

        {

            printf("%p is-null=%d\n", list[i], NULL == list[i]);

        }

        free(list);

    

        return 0;

    }