1 files changed, 30 insertions, 0 deletions

diff --git a/envread.c b/envread.c
new file mode 100644
index 0000000..80185de
--- /dev/null
+++ b/envread.c
@@ -0,0 +1,30 @@
+#include "env.h"
+#include "str.h"
+
+extern /*@null@*/char *env_get(s)
+char *s;
+{
+  int i;
+  unsigned int slen;
+  char *envi;
+ 
+  slen = str_len(s);
+  for (i = 0;envi = environ[i];++i)
+    if ((!str_diffn(s,envi,slen)) && (envi[slen] == '='))
+      return envi + slen + 1;
+  return 0;
+}
+
+extern char *env_pick()
+{
+  return environ[0];
+}
+
+extern char *env_findeq(s)
+char *s;
+{
+  for (;*s;++s)
+    if (*s == '=')
+      return s;
+  return 0;
+}