Class stat

plugins/debuggercommon/stty.cpp:208–208

        int ptyno;
        if (ioctl(ptyfd, TIOCGPTN, &ptyno) == 0) {
            struct stat sbuf;
            sprintf(tty_slave,"/dev/pts/%d",ptyno);
            if (stat(tty_slave,&sbuf) == 0 && S_ISCHR(sbuf.st_mode))
                needGrantPty = false;