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

void main( argc, argv )
  int argc;
  char *argv[];
{
int i, j, k, l, m, n;
long a;
int buf[20];
FILE *fp;

if( argc < 2 )
  {
  printf("File Hexadecimal Dump Utility\n");
  printf("$ FDUMP [FileName]\n");
  exit( 1 );
  }

if( (fp = fopen( argv[1], "rb" ) ) == NULL )
  {
  printf("ERROR! file is not opened\n");
  exit(2);
  }

l = 0;
a = 0;
while( feof( fp ) == 0 )
  {
  n = getc( fp ) & 0xff;
  if( l == 0 )
    printf("%08lx ", a );
  buf[l] = n;
  l = (l + 1) & 0xf;
  printf("%02x ", n );
  if( l == 0 )
    {
    a += 16;
    printf(": ");
    for( i = 0; i < 16; i++ )
      {
      k = buf[i];
      if( k < 32 )
        k = 0x2e;
      else if( k == 127 )
        k = 0x2e;
      else if( k > 127 )
        k = 0x2e;
      putchar( k );
      }
    printf("\n");
    }
  }
printf("\n");
fclose( fp );
}
/* end of file */