/****************************************************************************/ /* */ /* (c) Copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands */ /* */ /* This product is part of the Amoeba distributed operating system. */ /* */ /* Permission to use, sell, duplicate or disclose this software must be */ /* obtained in writing. Requests for such permissions may be sent to */ /* */ /* */ /* Dr. Andrew S. Tanenbaum */ /* Dept. of Mathematics and Computer Science */ /* Vrije Universiteit */ /* Postbus 7161 */ /* 1007 MC Amsterdam */ /* The Netherlands */ /* */ /****************************************************************************/ #define KERNEL 0 #define USER 1 typedef unshort address; typedef int func; #define bufptr vir_bytes #define NOWHERE ((address) 0) #define SOMEWHERE ((address) -1) #define NILVECTOR ((func (*)()) 0) #ifdef lint #define ABSPTR(t, c) (use(c), (t) 0) #else #define ABSPTR(t, c) ((t) (c)) #endif #define bit(b) (1 << (b)) /* simulate type 'bit' */ #define lobyte(x) ((unshort) (x) & 0xFF) #define hibyte(x) ((unshort) (x) >> 8) #define concat(x, y) ((unshort) (x) << 8 | (unshort) (y) & 0xFF) #define sizeoftable(t) (sizeof(t) / sizeof((t)[0]))