add libhttpd

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");
+}