#include <stdio.h>
#include <stdlib.h>

int main(void)
{
    void* foo;
    int i = 0;

    while((foo = (void *)malloc(1024 * 1024)) != NULL) {
	printf("%dM %lx - %lx\n", i++, (unsigned long)foo, (unsigned long)foo + 1024 * 1024);
	memset(foo, 0x00, 1024 * 1024);
    }
    perror("malloc error message");
    return 0;
}