| Programming Interface Information: This information is NOT intended to be used as Programming Interfaces of z/VM. | 
COMBUFF
Control Block Contents  
   COMBUFF DSECT
Cross Reference (Contains links to field and bit definitions)
COMBUFF Prolog
Name : CSEPVMBK Description: Buffer between VM/CSE Comm V.M. and CP DSECT : COMBUFF
COMBUFF Control Block Content
COMBUFF DSECT
Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      COMBUFF        Buffer between VM/CSE Comm V.M.
                                        and CP
0000    0 Character    1 COMINDEX       C*1 Index of a VM/ISF system
0001    1 Character    1 COMFIL1        C*2 Unused
0002    2 Character    2 COMNUM         Number of items in the buffer
          00000004       COMFXSZ        (*-COMBUFF) Size of the fixed
                                        area
0004    4 Signed       4 COMITLN        Length of item
0008    8 Dbl-Word     8 COMDAT (0)     The data
          00000008       COMHDSZ        (*-COMBUFF) Header size
COMBUFF Storage Layout
          
*** COMBUFF - Buffer between VM/CSE Comm V.M. and CP
*
*     +------+------+-------------+---------------------------+
*   0 |:INDEX|:FIL1 |   COMNUM    |         COMITLN           |
*     +------+------+-------------+---------------------------+
*
*** COMBUFF - Buffer between VM/CSE Comm V.M. and CP
COMBUFF Cross Reference
Symbol Dspl Value -------------- ---- ----- COMDAT 0008 COMFIL1 0001 COMFXSZ 0002 00000004 COMHDSZ 0008 00000008 COMINDEX 0000 COMITLN 0004 COMNUM 0002
Copyright IBM Corporation, 1990, 2001