diff --git a/ap/libc/glibc/glibc-2.23/stdio-common/scanf3.c b/ap/libc/glibc/glibc-2.23/stdio-common/scanf3.c
new file mode 100644
index 0000000..33495cc
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/stdio-common/scanf3.c
@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+main(int arc, char *argv[])
+{
+  int n, res;
+  unsigned int val;
+  char s[] = "111";
+
+  val = n = -1;
+  res = sscanf(s, "%u %n", &val, &n);
+  printf("Result of sscanf = %d\n", res);
+  printf("Scanned format %%u = %u\n", val);
+  printf("Possibly scanned format %%n = %d\n", n);
+  if (n != 3 || val != 111 || res != 1)
+    abort ();
+
+  val = n = -1;
+  res = sscanf(s, "%u%n", &val, &n);
+  printf("Result of sscanf = %d\n", res);
+  printf("Scanned format %%u = %u\n", val);
+  printf("Possibly scanned format %%n = %d\n", n);
+  if (n != 3 || val != 111 || res != 1)
+    abort ();
+
+  return 0;
+}