diff --git a/ap/libc/glibc/glibc-2.23/manual/stdio-fp.c b/ap/libc/glibc/glibc-2.23/manual/stdio-fp.c
new file mode 100644
index 0000000..db94807
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/manual/stdio-fp.c
@@ -0,0 +1,28 @@
+/* This program is to generate one of the examples in stdio.texi.  */
+
+#include <stdio.h>
+
+
+static void
+print (double v)
+{
+  printf ("|%13.4a|%13.4f|%13.4e|%13.4g|\n", v, v, v, v);
+}
+
+
+int
+main (void)
+{
+  print (0.0);
+  print (0.5);
+  print (1.0);
+  print (-1.0);
+  print (100.0);
+  print (1000.0);
+  print (10000.0);
+  print (12345.0);
+  print (100000.0);
+  print (123456.0);
+
+  return 0;
+}