int _PDCLIB_prepwrite( struct _PDCLIB_file_t * stream )
{
if ( ( stream->bufidx < stream->bufend ) || ( stream->ungetidx > 0 ) ||
int _PDCLIB_prepwrite( struct _PDCLIB_file_t * stream )
{
if ( ( stream->bufidx < stream->bufend ) || ( stream->ungetidx > 0 ) ||