HELPLIB.HLB  —  RTL Routines, LIB$  LIB$SYS_FAOL_64
    (Alpha and I64 only.) The Invoke $FAOL_64 System Service to
    Format Output routine calls the $FAOL_64 system service,
    returning the string in the semantics you provide. If called with
    other than a fixed-length string for output, the length of the
    resultant string is limited to 256 bytes and truncation occurs.

    Format

      LIB$SYS_FAOL_64  character-string [,resultant-length]

                       ,resultant-string ,directive-argument-address

1  –  Returns

    OpenVMS usage:cond_value
    type:         longword (unsigned)
    access:       write only
    mechanism:    by value

2  –  Arguments

 character-string

    OpenVMS usage:char_string
    type:         character string
    access:       read only
    mechanism:    by descriptor

    ASCII control string, consisting of the fixed text of the output
    string and FAO directives. The character-string argument contains
    the address of a descriptor pointing to this control string.

 resultant-length

    OpenVMS usage:word_unsigned
    type:         word (unsigned)
    access:       write only
    mechanism:    by reference

    Length of the output string. The resultant-length argument
    contains the address of an unsigned word integer that is this
    length.

 resultant-string

    OpenVMS usage:char_string
    type:         character string
    access:       write only
    mechanism:    by descriptor

    Fully formatted output string returned by LIB$SYS_FAOL_64. The
    resultant-string argument contains the address of a descriptor
    pointing to this output string.

 directive-argument-address

    OpenVMS usage:address
    type:         quadword (unsigned)
    access:       read only
    mechanism:    unspecified

    Directive arguments. The directive-argument-address arguments are
    contained in an array of unsigned quadword directive arguments.
    Depending on the directive, a directive-argument-address argument
    can be a value to be converted, the address of the string to be
    inserted, or a length or argument count. The passing mechanism
    for each of these arguments should be the one expected by the
    $FAOL_64 system service.
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