libcompat and header files will be gone in the upcoming 5.5 release, so we
cannot use the ftime(3) interface there. Fall back to the SVR4 version of the
code, but use the tm_gmtoff field of struct tm to get the timezone.
Unfortunately, that is not portable (because I really really would like to
remove that old and crummy struct timeb from the public API).
This is a non-POSIX/ISO-C header. It is ok to include this on Linux, but it
is obsolete on BSD; FreeBSD even throws an error if you include it with
__STDC__ defined. Every system should nowadays have malloc() defined in
stdlib.h.
Diff is largely mechanical, replacing malloc.h with stdlib.h where it is not
yet included anyway.
