VMS Help  —  RTL Routines, LIB$  LIB$FLT_UNDER, Argument
 new-setting

    OpenVMS usage:longword_unsigned
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference

    New floating-point underflow enable setting. The new-setting
    argument is the address of an unsigned byte containing the
    new setting. Bit 0 set to 1 means enable; bit 0 set to 0 means
    disable.
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