#include <stdio.h>

/*  HEX standard input to standard output */
void HEX_digit(short di, FILE *file);

main(int argc, char *argv[])
{	short	c;
	short	hi, low;
	short	nl;
	FILE	*file;
	double	ff[10];
	long	size;

if(argc!=2) {printf("Opps!\n");return;}
file=fopen(argv[1],"w");
if(file==0) {printf("File %s failed to open.\n",argv[1]);return;}
for(nl=0;nl<=9;nl++) ff[nl]=(1.02)*(nl+0.5);
size=fwrite((void*)ff,sizeof(double),10,file);
fclose(file);
printf("%i\n",size);
}

void HEX_digit(short di, FILE *file)
{
if(di>9) putc('a'-10+di,file); else putc('0'+di,file);
}