PR_NEWZAP
=========
Allocates and clears memory from the heap for an instance of a given
type.
Syntax
------
.. code::
#include <prmem.h>
_type * PR_NEWZAP(_struct);
Parameter
~~~~~~~~~
``_struct``
The name of a type.
Returns
~~~~~~~
An pointer to a buffer sized to contain the type ``_struct``, or if the
allocation attempt fails, ``NULL``. The bytes in the buffer are all
initialized to 0. Call ``PR_GetError()`` to retrieve the error returned
by the libc function.
Description
-----------
This macro allocates an instance of the specified type from the heap and
sets the content of that memory to zero.
