#include <stdlib.h>

extern void sub_(double *pa, double *pb, double *v, int *n);

int main(int argc, char **argv ) {
	double   a,   b;
	double  *v;
	int      i,   n;
	a = 3.14;
	b = 1.59;
	n = 10;
	v = (double *) malloc(n * sizeof(double));
	for( i = 0; i < n; i++) v[i] = i * i;
	sub_(&a,&b,v,&n);
}