From 8aaaa41621f9ddc87e1f7b2e2c59ed095bba7304 Mon Sep 17 00:00:00 2001
From: Kyle K <kylek389@gmail.com>
Date: Tue, 8 Aug 2017 15:01:16 -0500
Subject: GNU Build system helloworld example using autotools

---
 helloworld.c | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 helloworld.c

(limited to 'helloworld.c')

diff --git a/helloworld.c b/helloworld.c
new file mode 100644
index 0000000..be8fd70
--- /dev/null
+++ b/helloworld.c
@@ -0,0 +1,36 @@
+/* helloworld.c: A program to show the time since the Epoch */
+ 
+#include <stdio.h>
+#include "config.h"
+ 
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#else
+#include <time.h>
+#endif
+ 
+double get_sec_since_epoch()
+{
+   double sec;
+ 
+   #ifdef HAVE_GETTIMEOFDAY
+      struct timeval tv;
+ 
+      gettimeofday(&tv, NULL);
+      sec = tv.tv_sec;
+      sec += tv.tv_usec / 1000000.0;
+   #else
+      sec = time(NULL);
+   #endif
+ 
+   return sec;
+}
+ 
+int main(int argc, char* argv[])
+{
+   printf("hello, world! epoch is: ");
+   printf("%f\n", get_sec_since_epoch());
+ 
+   return 0;
+}
+
-- 
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