(01-04-1994 9:20am SETERR.EXE)
SETERR - (C) Copyright Glenn B. Lawler, 1994. All Rights Reserved.
Usage: [ERRORLEVEL]
Where: ERRORLEVEL is a number between 0 and 255
SETERR sets the ERRORLEVEL which may be tested within
a batch file using "IF ERRORLEVEL".
If ERRORLEVEL is not on command line, 0 is assumed.
SETERR may be used to set the ERRORLEVEL in a batch.