Returns the current size of the user's Universal Buffer.
$Buffer_Size takes no arguments and returns a numeric result.
|No Universal Buffer exists, because you used this function in a pre-V6R1.0 release, or the MQ/204 Interface is not linked in.||-1|
|No Universal Buffer or MQ/204 operations by this user since logon||0|
|This user has used the Universal Buffer||The number of bytes used|
The size of BUFFER may be explicitly set by a MODIFY BUFFER statement or increased implicitly by statements that place data into the Universal Buffer. The minimum buffer size is UBUFSZ value and the maximum is 2,147,483,647 bytes.