From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Simple MKDIR problem
Date: Sun, 10 Oct 1999 13:11:55 +0200
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On Fri, 8 Oct 1999, Nate Eldredge wrote:

> dsk wrote:
> > 
> > Here's the simple code
> > 
> > void _mkdir(char *dir)
> > {
> >   _REGS r;
> >   r.h.ah = 0x39;
> >   r.x.ds = (ulong)(dir) >> 16;
> >   r.x.dx = (ulong)(dir) & 15;
> > _int(0x21, r);
> >   printf("\nError number: %d %s", r.x.ax);
> > }
> > 
> > When I ran it _mkdir("c:\\test\\somethin"), it just return error 3 (path
> > not found). Why??
> 
> Read FAQ sections 18.2 and 18.4.

And, in this case, you could also look at the source of mkdir in the
DJGPP library (djlsr202.zip, file src/libc/posix/sys/stat/mkdir.c),
which shows how this *should* be done.