Malloc Example

#include<stdio.h>
int main()
{
int *ptr_one;
ptr_one = (int*)malloc(sizeof(int));
if (ptr_one == 0)
{
printf("ERROR: Out of memory\n");
return 1;
}
*ptr_one = 25;
printf("%d", *ptr_one);
free(ptr_one);
return 0;
}