From 0d36b950f6a560a0312f2dcd326d3bb5362af370 Mon Sep 17 00:00:00 2001
From: Michal Idziorek <m.i@gmx.at>
Date: Mon, 24 Nov 2014 01:10:32 +0100
Subject: playing with enviroment variables

---
 userspace/simple.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

(limited to 'userspace/simple.c')

diff --git a/userspace/simple.c b/userspace/simple.c
index 5322584..bd42d9c 100644
--- a/userspace/simple.c
+++ b/userspace/simple.c
@@ -1,14 +1,23 @@
+#include <stdlib.h>
+
+extern char **environ;
 int main(int argc, char **argv) 
 {
     
 
-    int i;
     printf("argv: 0x%08X\n",argv);
+    printf("env: 0x%08X\n",environ);
+
+    putenv("test=11");
 
-    for(i=0;i<argc;i++)
+    
+    int i=0;
+    while(environ[i]!=NULL)
     {
-	if(!strcmp(argv[i],"-v"))puts("version 1");
+	printf("envvar %s (0x%08X)\n" ,environ[i],environ[i]);
+	i++;
     }
+
     puts("bye");
     
     return 0;
-- 
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