HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                  INT 21,4D - Get Return Code of Sub-process

       AH = 4D

       on return:
       AH = system exit code  (indicates normal termination)
          = 00 for normal termination
          = 01 if terminated by ctl-break
          = 02 if critical device error
          = 03 if terminated by INT 21,31
       AL = child exit code

       - retrieve child process and system exit codes
       - this function can only be used to retrieve the exit code once
         multiple attempts to read exit codes will cause errors

Esc or Alt-X to exit int 21,4d Home/PgUp/PgDn/End ←↑↓→
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