1 files changed, 43 insertions, 0 deletions
diff --git a/share/man/tools/line.c b/share/man/tools/line.c
new file mode 100644
index 0000000..b395e1a
--- /dev/null
+++ b/share/man/tools/line.c
@@ -0,0 +1,43 @@
+/*	@(#)line.c	1.1	*/
+/*
+	This program reads a single line from the standard input
+	and writes it on the standard output. It is probably most useful
+	in conjunction with the Bourne shell.
+*/
+#define LSIZE 512
+int EOF;
+char nl = '\n';
+main()
+{
+	register char c;
+	char line[LSIZE];
+	register char *linep, *linend;
+
+EOF = 0;
+linep = line;
+linend = line + LSIZE;
+
+while ((c = readc()) != nl)
+	{
+	if (linep == linend)
+		{
+		write (1, line, LSIZE);
+		linep = line;
+		}
+	*linep++ = c;
+	}
+write (1, line, linep-line);
+write(1,&nl,1);
+if (EOF == 1) exit(1);
+exit (0);
+}
+readc()
+{
+	char c;
+if (read (0, &c, 1) != 1) {
+	EOF = 1;
+	return(nl);
+	}
+else
+	return (c);
+}