EXTERNALS

(Non-SAA Function)

EXTERNALS is a non-SAA built-in function provided only by TSO/E and VM.


>>-EXTERNALS()-------------------------------------------------><

always returns a 0. For example:

EXTERNALS()    ->    0    /* Always */

The EXTERNALS function returns the number of elements in the terminal input buffer (system external event queue). In TSO/E, there is no equivalent buffer. Therefore, in the TSO/E implementation of REXX, the EXTERNALS function always returns a 0.