Message returns

If you specify a -h, help or ? in place of the errno2_value, the following message is displayed:
Usage: edcmtext errno2_value
If no text is available for the errno2_value, the following message is displayed:
errno2_value: No information is currently available for this errno2_value.
If the errno2_value is not comprised of 1-8 hex digits, the following message is displayed:
Usage: edcmtext errno2_value
If the errno2_value is not in the C/C++ runtime library range, the following message is displayed:
Notice: The errn2_value is not in the C/C++ runtime library range.
If edcmtext is not run in a TSO/E or z/OS® UNIX environment, the following message is displayed:
Error: The environment is not TSO/E or z/OS UNIX.