PROC dum$DISPLAY_JOB_CONTROL_BLOCK display_job_control_block, disjcb (
  output, o : file = $output
  )

  " Cannot use $sa(jmv$jcb) - there are 2 definitions
  jmt$job_control_block 00300000000(16) o=$value(output)

PROCEND dum$display_job_control_block
