Date: Tue, 8 Feb 94 09:47:38 -0500
From: DJ Delorie <dj AT ctron DOT com>
To: aiy AT mundil DOT cs DOT mu DOT oz DOT au
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Re: Detecting ANSI.SYS

>     regs.x.ax = 0x1A00;
>     int86(0x2F, &regs, &regs);

> But all I get is this error ..
>
> Unsupported INT 0x2f


Use _go32_dpmi_simulate_interrupt() instead of int86().  int86() goes
through go32 and must be known to it; the other does not.