306     PortFile->endPos = PortFile->curPos + end;  in PortFopen()
322         PortFile->endPos = curFrame->buffer + end;  in PortFopen()
401       if (PortFile->endPos == PortFile->curPos)  /* end of file */  in PortFread()
412         cbAvail = PortFile->endPos - PortFile->curPos;  in PortFread()
424     if (PortFile->curPos == PortFile->endPos)  in PortFread()
478             PortFile->curPos = PortFile->endPos = nextFrame->buffer;  in PortFwrite()
499       if (curFrame == PortFile->endFrame && PortFile->endPos < PortFile->curPos)  in PortFwrite()
500         PortFile->endPos = PortFile->curPos;  in PortFwrite()
527         PortFile->curPos = PortFile->endPos;  in PortFseek()
544         if (PortFile->endPos <= PortFile->curPos)  /* end of file */  in PortFseek()
557           cbAvail = PortFile->endPos - PortFile->curPos;  in PortFseek()
679       if (PortFile->curPos >= PortFile->endPos)  in PortFgets()
735                          (PortFile->endPos - PortFile->endFrame->buffer);  in PortFflush()
773       if (PortFile->curPos >= PortFile->endPos)  in PortFgetc()