NAME
    DeletePort - free a message port created by createport()
SYNOPSIS
    DeletePort(port)
    VOID DeletePort(struct msgport *);
FUNCTION
    Frees a message port created by createport. all messages that
    may have been attached to this port must have already been
    replied before this function is called.
INPUTS
    port - message port to delete
SEE ALSO
    createport()