1 files changed, 10 insertions, 0 deletions
diff --git a/rev.c b/rev.c
new file mode 100644
index 0000000..3bcab18
--- /dev/null
+++ b/rev.c
@@ -0,0 +1,10 @@
+#include <unistd.h>
+
+int main() {
+	char buf[1024];
+	char *eob = buf + sizeof(buf) - 1;
+	char *p = eob;
+	while (read(STDIN_FILENO, p, 1) == 1 && --p >= buf);
+	write(STDOUT_FILENO, p + 1, eob - p);
+	return 0;
+}