tdef.h

<B>Digital的Unix操作系统VAX 4.2源码</B>

/*	tdef.h	4.5	83/08/11	*/

#define MAXPTR 0x7fffffff	/* max value of any pointer variable */
#ifdef NROFF	/*NROFF*/
#define EM t.Em
#define HOR t.Hor
#define VERT t.Vert
#define INCH 240	/*increments per inch*/
#define SPS INCH/10	/*space size*/
#define SS INCH/10	/* " */
#define TRAILER 0
#define UNPAD 0227
#define PO 0 /*page offset*/
#define ASCII 1
#define PTID 1
#define LG 0
#define DTAB 0	/*set at 8 Ems at init time*/
#define ICS 2*SPS
#define TEMP 256	/*65K*/
#endif
#ifndef NROFF	/*TROFF*/
#define INCH 432	/*troff resolution*/
#define SPS 20	/*space size at 10pt; 1/3 Em*/
#define SS 12	/*space size in 36ths of an em*/
#define TRAILER 6048	/*144*14*3 = 14 inches*/
#define UNPAD 027
#define PO 416 /*page offset 26/27ths inch*/
#define HOR 1
#define VERT 3
#define EM (6*(pts&077))
#define ASCII 0
#define PTID 0
#define LG 1
#define DTAB (INCH/2)
#define ICS 3*SPS
#define TEMP 512	/*128K*/
#endif

#include <signal.h>
#define NARSP 0177	/*narrow space*/
#define HNSP 0226	/*half narrow space*/
#define PS 10	/*default point size*/
#define FT 0	/*default font position*/
#define LL 65*INCH/10	/*line length; 39picas=6.5in*/
#define VS INCH/6	/*vert space; 12points*/
#ifdef VMUNIX
#define NN 528	/*number registers*/
#else
#define NN 132	/*number registers*/
#endif
/* #define NN 200	*/
#define NNAMES 14 /*predefined reg names*/
#define NIF 15	/*if-else nesting*/
#define NS 64	/*name buffer*/
#define NTM 256	/*tm buffer*/
#define NEV 3	/*environments*/
#define EVLSZ 10	/*size of ev stack*/
/* #define EVS 4*256	*/
#ifdef VMUNIX
#define NM 600
#define EVS 6*256	/*environment size in words*/
#else
#define NM 300	/*requests + macros*/
#define EVS 3*256	/*environment size in words*/
#endif
#define DELTA 512	/*delta core bytes*/
#define NHYP 10	/*max hyphens per word*/
#define NHEX 128	/*byte size of exception word list*/
#define NTAB 35	/*tab stops*/
#define NSO 5	/*"so" depth*/
#ifdef VMUNIX
#define WDSIZE 340	/*word buffer size*/
#define LNSIZE 960	/*line buffer size*/
#else
#define WDSIZE 170	/*word buffer size*/
#define LNSIZE 480	/*line buffer size*/
#endif
/* #define LNSIZE 680	*/
#define NDI 5	/*number of diversions*/
#define DBL 0100000	/*double size indicator*/
#define MOT 0100000	/*motion character indicator*/
#define MOTV 0160000	/*clear for motion part*/
#define VMOT 0040000	/*vert motion bit*/
#define NMOT 0020000	/* negative motion indicator*/
#define MMASK 0100000	/*macro mask indicator*/
#define CMASK 0100377
#define ZBIT 0400	/*zero width char*/
#define BMASK 0377
#define BYTE 8
#define IMP 004	/*impossible char*/
#define FILLER 037
#define PRESC 026
#define HX 0376	/*High-order part of xlss*/
#define LX 0375	/*low-order part of xlss*/
#define CONT 025
#define COLON 013
#define XPAR 030
#define ESC 033
#define FLSS 031
#define RPT 014
#define JREG 0374
#define NTRAP 20	/*number of traps*/
#define NPN 20	/*numbers in "-o"*/
#define T_PAD 0101	/*cat padding*/
#define T_INIT 0100
#define T_IESC 16 /*initial offset*/
#define T_STOP 0111
#define NPP 10	/*pads per field*/
#ifdef VMUNIX
#define FBUFSZ 1024
#else
#define FBUFSZ 256	/*field buf size words*/
#endif
#define OBUFSZ 8192	/*bytes*/
#define IBUFSZ 8192	/*bytes*/
#define NC 256	/*cbuf size words*/
#define NOV 10	/*number of overstrike chars*/
#define ZONE 5	/*5hrs for EST*/
#define TDELIM 032
#define LEFT 035
#define RIGHT 036
#define LEADER 001
#define TAB 011
#define TMASK  037777
#define RTAB 0100000
#define CTAB 0040000
#define OHC 024

#define PAIR(A,B) (A|(B<<BYTE))

#define BLK  128	/*alloc block words*/

#ifdef VMUNIX
#define	BIG 1024
#endif VMUNIX

#ifdef BIG
typedef long filep;
#define NBLIST BIG	/*allocation , BIG = 256 per 65k*/
#define BLKBITS 7	/*for BLK=128*/
#endif
#ifndef BIG
typedef unsigned filep;
#define NBLIST TEMP	/*allocation list, TEMP<=512*/
/* BLK*NBLIST<=65536 words, if filep=unsigned */
#define BLKBITS 0
#endif