Date: Wed, 6 Apr 94 09:39:37 -0400
From: dj AT ctron DOT com (DJ Delorie)
To: leisner AT sdsp DOT mc DOT xerox DOT com
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Re: exec on dos

> I saw the code for exec...it invokes spawn...
> 
> where can I find spawn?

also in libc.a (libsrc/c/dos/exec.c?)

> How does djgcc do it?  Is there a map of all the files?

No, it spawns a new MS-DOS program.

> The djgcc fork.c just does:
> fork()
> {
>   return -1;
> }
> 
> How was make done? (I don't have the source unpacked).

make calls spawn directly, so it doesn't need to fork at all.  It's
conditional on __MSDOS__.