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

int main(int argc,char *argv[])

{
    void Dump(char *fn,FILE *fp);
    FILE *fp;
    int f;

    if (argc==1)
    	Dump("stdin",stdin);
    else
	for(f=1;f<argc;f++)
	    if ((fp=fopen(argv[f],"r")))
	    	{
		Dump(argv[f],fp);
		fclose(fp);
		}
	    else
	    	fprintf(stderr,"Couldn't open %s\n",argv[f]);
}


void Dump(char *fn,FILE *fp)
{
    char s[17];
    int p;
    int f;
    int b;

    printf("File:%s\n",fn);

    b=!EOF;
    p=0;

    while(b!=EOF)
	{
	strcpy(s,"                ");

	printf("%6.6x:   ",p);
	p+=16;

	for(f=0;f<16;f++)
	    {
	    if((b!=EOF)&&((b=getc(fp))!=EOF))
		{
		printf("%2.2x ",(unsigned char)b);

		if (isprint(b))
		    s[f]=b;
		else
		    s[f]='.';
		}
	    else
		printf("** ");
	    }

	printf("   %s\n",s);
	}
}