PCHAR
AlGetNextArcNamToken(
  IN  PCHAR TokenString,
  OUT PCHAR OutputToken,
  OUT PULONG UnitNumber
  );

Routine Description:

    This routine scans the specified token string for the next token and
    unit number. The token format is:

        name[(unit)]

Arguments:

    TokenString - Supplies a pointer to a zero terminated token string.

    OutputToken - Supplies a pointer to a variable that receives the next
        token.

    UnitNumber - Supplies a pointer to a variable that receives the unit
        number.

Return Value:

    If another token exists in the token string, then a pointer to the
    start of the next token is returned. Otherwise, a value of NULL is
    returned.