From: "Charles Sandmann" <sandmann AT clio DOT rice DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Can I call dpmi via int86 or __dpmi_int?  (int86(0x31, &r, &r);...)
Date: Thu,  3 Jul 1997 14:16:48
Organization: Aspen Technology, Inc.
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> I want to call a DPMI function from C that doesn't have a __dpmi... wrapper.
> Can I just use int86() or __dpmi_int()?

Do NOT use __dpmi_int() to call dpmi functions - it will call the real mode
int 31h instead, which will almost certainly hang the machine.  You would
be better off with inline assembler, or using int86() if you must.  But I
doubt there are any DPMI functions which don't have wrappers...