# int (*bdevsw[])() { /* 0 */ &nulldev, &nulldev, &rkstrategy, &rktab, /* rk */ 0 }; int (*cdevsw[])() { /* 0 console */ &klopen, &klclose, &klread, &klwrite, &klsgtty, &klttyawt, &klttycap, /* 1 IMP11a */ &impopen, &impclose, &impread, &impwrite, &impsgtty, &impawt, &impcap, /* 2 mem */ &nulldev, &nulldev, &mmread, &mmwrite, &nodev, &nocap, &nullcap, /* 3 rk */ &nulldev, &nulldev, &rkread, &rkwrite, &nodev, &nocap, &nocap, /* 4 ports */ &portopen, &nodev, &portread, &portwrite,&portstty, &portawt, &portcap, /* 5 tty */ &nodev, &nodev, &nodev, &nodev, &nodev, &nocap, &nocap, /* 6 pty ctl */ &ptcopen, &ptcclose, &ptcread, &ptcwrite, &ptcsgtty, &ptcawt, &ptccap, /* 7 pty slv */ &ptsopen, &ptsclose, &ptsread, &ptswrite, &ptssgtty, &ptsawt, &ptscap, 0 }; int portdev {(4<<8)|0}; /* For port.c */ int rootdev {(0<<8)|0}; int swapdev {(0<<8)|0}; int swplo 4000; /* cannot be zero */ int nswap 872;