initial commit

1 files changed, 17 insertions, 0 deletions

diff --git a/env.c b/env.c
new file mode 100644
index 0000000..1b3ef62
--- /dev/null
+++ b/env.c
@@ -0,0 +1,17 @@
+/* Public domain. */
+
+#include "str.h"
+#include "env.h"
+
+extern /*@null@*/char *env_get(const char *s)
+{
+  int i;
+  unsigned int len;
+
+  if (!s) return 0;
+  len = str_len(s);
+  for (i = 0;environ[i];++i)
+    if (str_start(environ[i],s) && (environ[i][len] == '='))
+      return environ[i] + len + 1;
+  return 0;
+}