7f7be2cbf68f8a202a688d5bc50f82483d461643Timo Sirainen/* Generate UTF-8 text snippet from the beginning of the given mail input
7f7be2cbf68f8a202a688d5bc50f82483d461643Timo Sirainen stream. The stream is expected to start at the MIME part's headers whose
7f7be2cbf68f8a202a688d5bc50f82483d461643Timo Sirainen snippet is being generated. Returns 0 if ok, -1 if I/O error.
7f7be2cbf68f8a202a688d5bc50f82483d461643Timo Sirainen Currently only Content-Type: text/ is supported, others will result in an
7f7be2cbf68f8a202a688d5bc50f82483d461643Timo Sirainen empty string. */