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From: tainter@ihlpg.ATT.COM (Tainter)
Newsgroups: comp.sys.ibm.pc,comp.lang.c
Subject: Re: Looking for C functions to access PC memory
Message-ID: <4242@ihlpg.ATT.COM>
Date: Fri, 13-Nov-87 12:09:45 EST
Article-I.D.: ihlpg.4242
Posted: Fri Nov 13 12:09:45 1987
Date-Received: Sun, 15-Nov-87 15:58:20 EST
References: <24261F3U@PSUVMB> <447@ucdavis.ucdavis.edu> <5640@utcsri.UUCP>
Organization: AT&T Bell Laboratories - Naperville, Illinois
Lines: 22
Keywords: Using pointers in C
Xref: mnetor comp.sys.ibm.pc:10145 comp.lang.c:5408

In article <5640@utcsri.UUCP>, flaps@utcsri.UUCP writes:
> bad style.  avoid temporaries; the reader can't determine (easily) for
[ deletions ]
> use instead:
>        printf("contents of C000:0100 is %d\n",*(char far *)0xc0000100L);
> ajr
OR, if that is too cryptic for your tastes use:
function()
{
    otherstuff;

    { /* restrict the scope of ptr */
	char far *ptr;

	ptr = (char far *) 0xC0000100L;
	printf("Value at 0xC000:0x0100 is %d\n", *ptr);
    }

    morestuff;
}

--j.a.tainter