c('Sunit_size')

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Sunit_size()

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Availability:C-language interface function

int Sunit_size()

Returns the size of a code unit in bytes depending on the stream's encoding. This returns 2 for the encodings ENC_UNICODE_BE and ENC_UNICODE_LE, sizeof(wchar_t) for ENC_WCHAR and 1 for all other encodings (including multibyte encodings such as ENC_UTF8.