69 lines
1.2 KiB
C
Executable File
69 lines
1.2 KiB
C
Executable File
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#ident "@(#)subr.c 1.1 90/08/19 SMI" /* SVr4.0 1.1 */
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/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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/*
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* Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
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* All Rights Reserved.
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*/
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#include <sgtty.h>
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#include "hp2648.h"
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handshake()
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{
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int i;
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char ch;
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if( shakehands != TRUE )
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return;
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ch = ' ';
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putchar(ENQ);
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fflush(stdout);
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while(1){
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i = read(fildes, &ch, 1);
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if(i < 0)
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continue;
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if(ch == ACK)
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break;
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putchar('Z');
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fflush(stdout);
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stty(fildes, &sarg);
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exit(0);
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}
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}
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buffready(n)
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int n;
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{
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buffcount = buffcount + n;
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if(buffcount >= 80){
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handshake();
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putchar(ESC);
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putchar(GRAPHIC);
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putchar(PLOT);
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putchar(BINARY);
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buffcount = n+4;
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}
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}
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itoa(num,byte1,byte2)
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int num;
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char *byte1,*byte2;
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{
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*byte1 = (num & 037) | 040;
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*byte2 = ((num>>5) & 037) | 040;
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}
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