On 3 February 2014, ZyX <[email protected]> wrote:
> > IIRC, SysV had putenv(3), while BSD had setenv(3). The latter
> > had a corresponding unsetenv(3), while the former didn't.
> >
> > > On my Ubuntu Linux system, the unsetenv(3) man page says that it
> > > conforms to 4.3BSD and POSIX.1-2001.
> >
> > POSIX? As Wietse Venema used to put it, you're young and
> > impatient. ;)
>
> You mean SysV does not have C function for unsetting environment?
[...]
Well, historically yes. OSF/1 2.0 (some 20+ years ago) didn't
have any way to unset environment, then OSF/1 3.2 had unsetenv(3), but
it wasn't declared by default, or something like that. Sadly I don't
remember anything about Solaris.
/lcd
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