1 files changed, 29 insertions, 0 deletions
diff --git a/toolbox/printenv.c b/toolbox/printenv.c
new file mode 100644
index 00000000..d5ea5313
--- /dev/null
+++ b/toolbox/printenv.c
@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+extern char** environ;
+
+int printenv_main (int argc, char **argv)
+{
+    char** e;
+    char* v;
+    int i;
+   
+    if (argc == 1) {
+        e = environ;
+        while (*e) {
+            printf("%s\n", *e);
+            e++;
+        }
+    } else {
+        for (i=1; i<argc; i++) {
+            v = getenv(argv[i]);
+            if (v) {
+                printf("%s\n", v);
+            }
+        }
+    }
+
+    return 0;
+}
+