1 files changed, 10 insertions, 0 deletions
diff --git a/user/lib/itoc.c b/user/lib/itoc.c
new file mode 100644
index 0000000..c19d814
--- /dev/null
+++ b/user/lib/itoc.c
@@ -0,0 +1,10 @@
+#include <stdlib.h>
+
+char itoc(int i)
+{
+	if (i < 10) {
+		return '0' + i;
+	} else {
+		return 'a' + (i - 10);
+	}
+}