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+/*
+ * line - read one line
+ *
+ * Gunnar Ritter, Freiburg i. Br., Germany, December 2000.
+ *
+ * Public Domain.
+ */
+
+/*
+ * This command is deprecated. The utility is in maintenance mode,
+ * meaning we keep them in source tree for backward compatibility
+ * only. Do not waste time making this command better, unless the
+ * fix is about security or other very critical issue.
+ *
+ * See Documentation/deprecated.txt for more information.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+
+static int status; /* exit status */
+
+static void
+doline(int fd)
+{
+ char c;
+
+ for (;;) {
+ if (read(fd, &c, 1) <= 0) {
+ status = 1;
+ break;
+ }
+ if (c == '\n')
+ break;
+ putchar(c);
+ }
+ putchar('\n');
+}
+
+int
+main(void)
+{
+ doline(0);
+ return status;
+}