- Moved the locale initialization/cleanup code into constructors
and destructors.
- The socket cleanup function is now a destructor.
- The math cleanup function is now a destructor.
- The wildcard cleanup function is now a destructor.
- The stdio cleanup function is now a destructor.
- The stack extension cleanup function is now a destructor.
- The code that cleans up after the program's current directory
was changed is now a destructor function.
- Moved the initialization/cleanup code for unlink() into constructors
and destructors.
- Moved the initialization/cleanup code for usergroup.library into
constructors and destructors.
- Added usleep(), and created wrapper code that both sleep() and
usleep() can use.
- Added strtoll() and strtoull(), with further changes to <limits.h>
and <stdlib.h>.