start the big userland migration

userland/posix/count.c

@@ -0,0 +1,23 @@
+/* Count to infinity with 1 second sleep between each increment.
+ * Sample application: https://github.com/cirosantilli/linux-kernel-module-cheat#gdb-step-debug-userland-custom-init
+ */
+
+#define _XOPEN_SOURCE 700
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(int argc, char **argv) {
+    unsigned long i = 0, max;
+    if (argc > 1) {
+        max = strtoul(argv[1], NULL, 10);
+    } else {
+        max = ULONG_MAX;
+    }
+    while (i < max) {
+        printf("%lu\n", i);
+        i++;
+        sleep(1);
+    }
+}