&SYSTERM_VOLUME System Variable Symbol
- z/VSE®
- The value of &SYSTERM_VOLUME is always null.
The value of the type attribute is U, and the value of the count attribute is 0.
- z/VM® and z/OS®
- You can use &SYSTERM_VOLUME in a macro definition to obtain
the volume identifier of the first volume containing the data set
to which the assembler is writing the terminal records.
The local-scope system variable symbol &SYSTERM_VOLUME is assigned a read-only value each time a macro definition is called.
If the assembler runs on the CMS component of the z/VM operating system, and the terminal records are being written to a Shared File System CMS file, &SYSTERM_VOLUME is assigned the value “
** SFS
”.If the volume on which the data set resides is not labeled, &SYSTERM_VOLUME is assigned a null character string.
Notes:
- If the TERM user exit provides the terminal data set information
then the value in &SYSTERM_VOLUME is the value extracted from
the Exit-Specific Information block described in the section
Exit-Specific Information Block
in the HLASM Programmer's Guide. - The value of the type attribute of &SYSTERM_VOLUME (T'&SYSTERM_VOLUME) is U, unless &SYSTERM_VOLUME is assigned a null character string, in which case the value of the type attribute is O.
- The value of the count attribute of &SYSTERM_VOLUME (K'&SYSTERM_VOLUME) is equal to the number of characters assigned as a value to &SYSTERM_VOLUME. If &SYSTERM_VOLUME is assigned a null character string, the value of the count attribute is 0. The maximum length of this system variable symbol is 6.