--- a/src/core/ngx_inet.c
+++ b/src/core/ngx_inet.c
@@ -210,3 +210,58 @@ ngx_int_t ngx_ptocidr(ngx_str_t *text, v
 
     return NGX_OK;
 }
+
+
+#if 0
+
+ngx_int_t ngx_inet_addr_port(ngx_conf_t *cf, ngx_command_t *cmd,
+                             ngx_str_t *addr_port)
+{
+    u_char          *host;
+    ngx_int_t        port;
+    ngx_uint_t       p;
+    struct hostent  *h;
+
+    for (p = 0; p < addr_port->len; p++) {
+        if (addr_port->data[p] == ':') {
+            break;
+        }
+    }
+
+    in_addr->host.len = p;
+    if (!(in_addr->host.data = ngx_palloc(pool, p + 1))) {
+        return NGX_ERROR;
+    }
+
+    ngx_cpystrn(in_addr->host.data, addr_port->data, p + 1);
+
+    if (p == addr_port->len) {
+        p = 0;
+    }
+
+    port = ngx_atoi(&addr[p], args[1].len - p);
+    if (port == NGX_ERROR && p == 0) {
+
+        /* default port */
+        iap->port = 0;
+
+    } else if ((port == NGX_ERROR && p != 0) /* "listen host:NONNUMBER" */
+               || (port < 1 || port > 65536)) { /* "listen 99999" */
+
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                           "invalid port \"%s\" in \"%s\" directive, "
+                           "it must be a number between 1 and 65535",
+                           &addr[p], cmd->name.data);
+
+        return NGX_CONF_ERROR;
+
+    } else if (p == 0) {
+        ls->addr = INADDR_ANY;
+        ls->port = (in_port_t) port;
+        return NGX_CONF_OK;
+    }
+
+    return NGX_OK;
+}
+
+#endif