ZSTD_getDictID_fromCDict method
! ZSTD_getDictID_fromCDict() : Requires v1.5.0+
Provides the dictID of the dictionary loaded into cdict.
If @return == 0, the dictionary is not conformant to Zstandard specification, or empty.
Non-conformant dictionaries can still be loaded, but as content-only dictionaries.
Implementation
int ZSTD_getDictID_fromCDict(
  ffi.Pointer<ZSTD_CDict> cdict,
) {
  return _ZSTD_getDictID_fromCDict(
    cdict,
  );
}