usin intel's ivy-bridge rdrand hrng

foobar.c

#include <stdio.h>
#include <string.h>

#include "rdrand.h"

#define BUFFSIZE 65536

int main()
{
    int r;
    unsigned char buffer[BUFFSIZE];

    memset(buffer, 0, BUFFSIZE);
    while(1) {
        r = rdrand_get_bytes(BUFFSIZE, buffer);
        if ( r == RDRAND_SUCCESS ) {
            write(1,buffer,BUFFSIZE);
        } else printf("rdrand fakap: %d\n", r);
    }
}