====== buffer_nItems ======

===== Description =====

Retrieve the number of items allocated in a buffer, as set by [[zeolite:functions:buffer_Init]].

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

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

===== Arguments =====

^ Name ^ Type ^ Comment ^
| //hBuffer// | ZVAR | A handle to a buffer variable, from which the number of items contained are to be determined. |


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

Zero if the buffer is uninitialised or an error occurred, and otherwise a positive integer representing the number of items allocated in the buffer. 

===== Comments =====

None.