add libhttpd
diff --git a/src/libhttpd/okheaders.c b/src/libhttpd/okheaders.c
new file mode 100644
index 0000000..cba39a9
--- /dev/null
+++ b/src/libhttpd/okheaders.c
@@ -0,0 +1,22 @@
+#include <u.h>
+#include <libc.h>
+#include <bin.h>
+#include <httpd.h>
+
+/*
+ * write initial part of successful header
+ */
+void
+hokheaders(HConnect *c)
+{
+ Hio *hout;
+
+ hout = &c->hout;
+ hprint(hout, "%s 200 OK\r\n", hversion);
+ hprint(hout, "Server: Plan9\r\n");
+ hprint(hout, "Date: %D\r\n", time(nil));
+ if(c->head.closeit)
+ hprint(hout, "Connection: close\r\n");
+ else if(!http11(c))
+ hprint(hout, "Connection: Keep-Alive\r\n");
+}
