From a7e6b519e7bbbb41d79d844ecfcd5da260979c27 Mon Sep 17 00:00:00 2001
From: mo khan <mo@mokhan.ca>
Date: Wed, 23 Jul 2014 20:34:20 -0600
Subject: add example of reading the real user id and the effective user id
 with chmod u+s"

---
 uid_demo.c | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 uid_demo.c

diff --git a/uid_demo.c b/uid_demo.c
new file mode 100644
index 0000000..bcb77cc
--- /dev/null
+++ b/uid_demo.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <unistd.h>
+
+int main(int argc, const char *argv[])
+{
+  printf("real uid: %d\n", getuid());
+  printf("effective uid: %d\n", geteuid());
+  return 0;
+}
-- 
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