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