HELPLIB.HLB  —  CRTL  snprintf  Arguments
 str

    The address of the string that will receive the formatted output.

 n

    The size of the buffer referred to by str.

 format_spec

    A pointer to a character string that contains the format
    specification.

  . . .

    Optional expressions whose resultant types correspond to
    conversion specifications given in the format specification.

    If no conversion specifications are given, you may omit the
    output sources. Otherwise, the function calls must have at least
    as many output sources as there are conversion specifications,
    and the conversion specifications must match the types of the
    output sources.

    Conversion specifications are matched to output sources in left-
    to-right order. Excess output pointers, if any, are ignored.
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