MimeQPDecoderInit (int (*output_fn) (const char *, PRInt32, void *),
MimeQPDecoderInit (nsresult (*output_fn) (const char *, PRInt32, void *),
MimeQPDecoderInit (int (*output_fn) (const char *, PRInt32, void *),				   void *closure){  return mime_decoder_init (mime_QuotedPrintable, output_fn, closure);}