VMS Help  —  RTL Routines, LIB$  LIB$SYS_FAO, 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_FAO. The
    resultant-string argument contains the address of a descriptor
    pointing to this output string.

 directive-argument

    OpenVMS usage:varying_arg
    type:         unspecified
    access:       read only
    mechanism:    unspecified

    Directive argument contained in longwords. Depending on the
    directive, a directive-argument 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 $FAO system service.
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