g_converter_convert

function g_converter_convert(

  converter: PGConverter;

  inbuf: Pguint8;

  inbuf_size: gsize;

  outbuf: Pguint8;

  outbuf_size: gsize;

  flags: TGConverterFlags;

  bytes_read: Pgsize;

  bytes_written: Pgsize;

  error: PPGError

):TGConverterResult;