====== buffer_MemSize ======

===== Description =====

Determine the total number of bytes allocated in the buffer.

===== Function prototype =====

<code>long CExtAPI::buffer_MemSize(ZVAR hBuffer);</code>

===== Arguments =====

^ Name ^ Type ^ Comment ^
| //hBuffer// | ZVAR | A handle to a buffer variable, from which the total memory allocation (in bytes) is to be determined. |

===== Return value =====

A positive integer representing the total number of bytes allocated in the buffer, or zero if the buffer is uninitialised or an error occurred.

===== Comments =====

This function is equivalent to the product of the outputs from [[zeolite:functions:buffer_nItems]] and [[zeolite:functions:buffer_ItemSize]].