NAME
        UnlockRexxBase - Release a semaphore lock on the RexxBase structure

    SYNOPSIS
        UnlockRexxBase(resource)
                       D0

        VOID UnlockRexxBase(ULONG);

    FUNCTION
        Releases the specified resource in the ARexx library base.

    INPUTS
        resource - A manifest constant defining which resource to unlock.
                   This value *MUST* match the value used in the matching
                   lockrexxbase() call.

    NOTES
        Currently, only ZERO resource type is available.  You *MUST* make
        sure that you do not call this function with an undefined value
        as it may become defined at some future date and cause unwanted
        behavior.  You *MUST* make sure that you only call this function
        after a matching call to lockrexxbase() was made.

    SEE ALSO
        lockrexxbase()

    BUGS