printf("\n");
void do_fp(unsigned char *buf, BIO *bp, int sep)	{	int len;	int i;	for (;;)		{		i=BIO_read(bp,(char *)buf,BUFSIZE);		if (i <= 0) break;		}	len=BIO_gets(bp,(char *)buf,BUFSIZE);	for (i=0; i<len; i++)		{		if (sep && (i != 0))			putc(':',stdout);		printf("%02x",buf[i]);		}	printf("\n");	}