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+PR_Calloc
+=========
+
+Allocates zeroed memory from the heap for a number of objects of a given
+size.
+
+
+Syntax
+------
+
+.. code::
+
+   #include <prmem.h>
+
+   void *PR_Calloc (
+      PRUint32 nelem,
+      PRUint32 elsize);
+
+
+Parameters
+~~~~~~~~~~
+
+``nelem``
+   The number of elements of size ``elsize`` to be allocated.
+``elsize``
+   The size of an individual element.
+
+
+Returns
+~~~~~~~
+
+An untyped pointer to the allocated memory, or if the allocation attempt
+fails, ``NULL``. Call ``PR_GetError()`` to retrieve the error returned
+by the libc function ``malloc()``.
+
+
+Description
+-----------
+
+This function allocates memory on the heap for the specified number of
+objects of the specified size. All bytes in the allocated memory are
+cleared.