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

FILE *fpi;
FILE *fpo;
unsigned short ra;
unsigned short rb;
unsigned char data[1024];

void main ( void )
{
    fpi=fopen("debug.dat","rb");
    fpo=fopen("debug.txt","wt");
    if((fpi==NULL)||(fpo==NULL)) exit(1);
    while(fread(&rb,1,2,fpi)==2)
    {
        fprintf(fpo,"%u bytes\n",rb);
        fread(data,1,rb,fpi);
        for(ra=0;ra<rb;ra++)
        {
            fprintf(fpo,"%02X ",data[ra]);
        }
        fprintf(fpo,"\n");
        for(ra=0;ra<rb;ra++)
        {
            if((data[ra]>='A')&&(data[ra]<='z')) fprintf(fpo,"%c",data[ra]);
        }
        fprintf(fpo,"\n");
        fprintf(fpo,"\n");
    }
    fclose(fpi);
    fclose(fpo);
}