for_uint/for_uint.c added

c/for_uint/for_uint.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include <stdint.h>
+
+int
+main (void)
+{
+  uint8_t a = 0,
+          b = 255,
+          c;
+
+  c = a;
+  do
+    {
+      printf ("%d,", c);
+    }
+  while (c++ != b);
+
+  return 0;
+}