44 lines
653 B
C
44 lines
653 B
C
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/* @(#)line.c 1.1 */
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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 Bourne 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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