52 lines
996 B
C
52 lines
996 B
C
/* Copyright (c) 1984 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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */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 "@(#)line:line.c 1.3" */
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#ident "$Header: /proj/irix6.5.7m/isms/eoe/cmd/line/RCS/line.c,v 1.4 1992/04/27 12:45:05 wtk Exp $"
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/*
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This program reads a single line from the standard input
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and writes it on the standard output. It is probably most useful
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in conjunction with the shell.
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*/
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#define LSIZE 512
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int EOF;
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char nl = '\n';
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main()
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{
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register char c;
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char line[LSIZE];
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register char *linep, *linend;
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EOF = 0;
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linep = line;
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linend = line + LSIZE;
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while ((c = readc()) != nl)
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{
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if (linep == linend)
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{
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write (1, line, LSIZE);
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linep = line;
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}
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*linep++ = c;
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}
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write (1, line, linep-line);
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write(1,&nl,1);
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if (EOF == 1) exit(1);
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exit (0);
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}
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readc()
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{
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char c;
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if (read (0, &c, 1) != 1) {
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EOF = 1;
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return(nl);
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}
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else
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return (c);
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}
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