! *********************************************************************************************************************************
!  Created 12-APR-1988 19:29:22  by  VAX-11 SDL V3.0-1     Source: 12-APR-1988 19:29:15 DUA0:[GRAY]SSDEF.SDL;2                     
! *********************************************************************************************************************************
 
! 
! 	This file defines data structures referenced by SSDRIVER.
! 
 
!*** MODULE ssdef IDENT V01.1 ***
! 
! 	Define the UCB extension.
! 
literal ssucb_m_error_enabled = 1;
literal ssucb_k_length = 138;           !  Length of structure
macro ssucb = 0,0,0,0 %;
literal ssucb_s_ssucb = 138;
macro ssucb_b_error_ast_rmod = 132,0,8,0 %; !  Access mode of error AST
macro ssucb_b_state = 133,0,8,1 %;      !  State byte
macro ssucb_v_error_enabled = 133,0,1,0 %; !  Error interrupts enabled
macro ssucb_a_error_ast_address = 134,0,32,0 %; !  Address of error AST routine
! 
! 	Define standard VMS buffered I/O packet.
! 
literal buf_k_hdrsiz = 12;              !  Length of header
macro buf = 0,0,0,0 %;
literal buf_s_buf = 13;
macro buf_a_data_address = 0,0,32,0 %;  !  Pointer to data area
macro buf_a_user_buffer = 4,0,32,0 %;   !  Pointer to P0 user buffer address
macro buf_w_size = 8,0,16,0 %;          !  Size of block
macro buf_b_type = 10,0,8,0 %;          !  Type of block
macro buf_b_spare = 11,0,8,0 %;         !  Unused byte
macro buf_b_data_area = 12,0,8,0 %;     !  Start of data area