add example of reading environment variables.

1 files changed, 8 insertions, 0 deletions

diff --git a/getenv_example.c b/getenv_example.c
new file mode 100644
index 0000000..5a8dfa3
--- /dev/null
+++ b/getenv_example.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, const char *argv[])
+{
+  printf("%s is at %p\n", argv[1], getenv(argv[1]));
+  return 0;
+}