839.2009.c.四.1

#include <stdlib.h>
#include <ctype.h>
#define MAXN 16
char buf[MAXN];

int ()
{
    FILE* fp = fopen("Microsoft.pub","rb");
    if(fp == NULL)
    {
        perror("error");
        return 0;
    }
    int cnt = 0;
    int offset = 0;
    while((cnt = fread(buf, sizeof(char), MAXN, fp)) != 0)
    {
        printf("%08xt",offset);
        for(int i = 0; i < cnt; ++i)
            printf("%02hhx ",buf[i]);
        putchar(' ');
        
        for(int i = 0; i < MAXN-cnt; ++i)
            printf("   ");
        for(int i = 0; i < cnt; ++i)
        {
            if(isprint(buf[i])) putchar(buf[i]);
            else putchar('.');
        }
        puts("");
        offset += cnt;
    }
    return 0;
}