Xref: utzoo alt.msdos.programmer:576 comp.sys.ibm.pc:37173
Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!sharkey!dino!atanasoff!jwright
From: jwright@atanasoff.cs.iastate.edu (Jim Wright)
Newsgroups: alt.msdos.programmer,comp.sys.ibm.pc
Subject: Re: Turbo C far pointers
Message-ID: <1711@atanasoff.cs.iastate.edu>
Date: 28 Oct 89 19:08:15 GMT
References: <565@titan.tsd.arlut.utexas.edu>
Reply-To: jwright@atanasoff.cs.iastate.edu (Jim Wright)
Organization: Iowa State U. Computer Science Department, Ames, IA
Lines: 36

In a recent posting elrond@titan.tsd.arlut.utexas.edu (Brad Hlista) writes:
| I am having a problem of getting an allocated block of far memory
| to return float values.  Here is how variables are declared and dereferenced:

| far *ptr;

I think this is the big part.  An int pointer is not the same as a float
pointer.  The following program works for me (MSC).

#include <stdio.h>
#include <malloc.h>
int main(void);

int main()
{
    int i;
    float far *start;
    float far *p;

    start = (float far *) _fmalloc(1000*sizeof(float));

    if (start != NULL) {
        printf("Good.\n");
        for (p=start,i=0 ; i<1000 ; i++)
            *(p++) = 3.1415927;
        for (p=start,i=0 ; i<10 ; i++)
            printf("%f\n", *(p++));
    }
    else
        printf("Oh shit.\n");
    return(0);
}

-- 
Jim Wright
jwright@atanasoff.cs.iastate.edu