#include?
#include?
#include?

#define?NN?10

void?xcorr（float?*r?unsigned?short?*x?unsigned?short?*y?int?N）;

int?main（）
{??
????unsigned?short?x[10]={1122345678};
????unsigned?short?y[10]={1345678952};
????float?r[19]?=?{0};
????
????FILE?*fp_out;
????int?delay;
????
????xcorr（r?x?y?NN）;
	//Open?the?file?to?write
????if（（fp_out=fopen（“out_xcorr.txt““wt“））?==?NULL）
	{
	????printf（“Cannot?open?this?file!\n“）;
		exit（0）;
	}
	
	for（delay?=?-NN?+?1;?delay?????????fprintf（fp_out“%d?%f\n“delayr[delay?+?NN