/********************************************************************** * Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. * * All Rights Reserved. * * Reference "/usr/src/COPYRIGHT" for applicable restrictions. * **********************************************************************/ /* * SCCSID: @(#)data.c 3.0 4/22/86 */ /* (System 5) data.c 2.5 */ /*LINTLIBRARY*/ #include <stdio.h> #if !u370 /* some slop is allowed at the end of the buffers in case an upset in * the synchronization of _cnt and _ptr (caused by an interrupt or other * signal) is not immediately detected. */ unsigned char _sibuf[BUFSIZ+8], _sobuf[BUFSIZ+8]; /* * Ptrs to start of preallocated buffers for stdin, stdout. */ unsigned char *_stdbuf[] = { _sibuf, _sobuf }; #endif unsigned char _smbuf[_NFILE+1][_SBFSIZ]; FILE _iob[_NFILE] = { #if vax || u3b || u3b5 { 0, NULL, NULL, _IOREAD, 0}, { 0, NULL, NULL, _IOWRT, 1}, { 0, _smbuf[2], _smbuf[2], _IOWRT+_IONBF, 2}, #endif #if pdp11 { NULL, 0, NULL, _IOREAD, 0}, { NULL, 0, NULL, _IOWRT, 1}, { _smbuf[2], 0, _smbuf[2], _IOWRT+_IONBF, 2}, #endif #if u370 { NULL, 0, NULL, _IOREAD, 0}, { NULL, 0, NULL, _IOWRT, 1}, { NULL, 0, NULL, _IOWRT+_IONBF, 2}, #endif }; /* * Ptr to end of io control blocks */ FILE *_lastbuf = { &_iob[_NFILE] }; /* * Ptrs to end of read/write buffers for each device * There is an extra bufend pointer which corresponds to the dummy * file number _NFILE, which is used by sscanf and sprintf. */ unsigned char *_bufendtab[_NFILE+1] = { NULL, NULL, _smbuf[2]+_SBFSIZ, };