IDF release/v4.0 4c81978a3

tools/sdk/include/config/sdkconfig.h

@@ -1514,6 +1514,202 @@
 #define CONFIG_MONITOR_BAUD_OTHER_VAL CONFIG_ESPTOOLPY_MONITOR_BAUD_OTHER_VAL
 #endif
 
+#ifdef CONFIG_BT_NIMBLE_ACL_BUF_COUNT
+#define CONFIG_NIMBLE_ACL_BUF_COUNT CONFIG_BT_NIMBLE_ACL_BUF_COUNT
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_ACL_BUF_SIZE
+#define CONFIG_NIMBLE_ACL_BUF_SIZE CONFIG_BT_NIMBLE_ACL_BUF_SIZE
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_ATT_PREFERRED_MTU
+#define CONFIG_NIMBLE_ATT_PREFERRED_MTU CONFIG_BT_NIMBLE_ATT_PREFERRED_MTU
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_CRYPTO_STACK_MBEDTLS
+#define CONFIG_NIMBLE_CRYPTO_STACK_MBEDTLS CONFIG_BT_NIMBLE_CRYPTO_STACK_MBEDTLS
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_DEBUG
+#define CONFIG_NIMBLE_DEBUG CONFIG_BT_NIMBLE_DEBUG
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_ENABLED
+#define CONFIG_NIMBLE_ENABLED CONFIG_BT_NIMBLE_ENABLED
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_GAP_DEVICE_NAME_MAX_LEN
+#define CONFIG_NIMBLE_GAP_DEVICE_NAME_MAX_LEN CONFIG_BT_NIMBLE_GAP_DEVICE_NAME_MAX_LEN
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_HCI_EVT_BUF_SIZE
+#define CONFIG_NIMBLE_HCI_EVT_BUF_SIZE CONFIG_BT_NIMBLE_HCI_EVT_BUF_SIZE
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_HCI_EVT_HI_BUF_COUNT
+#define CONFIG_NIMBLE_HCI_EVT_HI_BUF_COUNT CONFIG_BT_NIMBLE_HCI_EVT_HI_BUF_COUNT
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_HCI_EVT_LO_BUF_COUNT
+#define CONFIG_NIMBLE_HCI_EVT_LO_BUF_COUNT CONFIG_BT_NIMBLE_HCI_EVT_LO_BUF_COUNT
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_HS_FLOW_CTRL
+#define CONFIG_NIMBLE_HS_FLOW_CTRL CONFIG_BT_NIMBLE_HS_FLOW_CTRL
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_HS_FLOW_CTRL_ITVL
+#define CONFIG_NIMBLE_HS_FLOW_CTRL_ITVL CONFIG_BT_NIMBLE_HS_FLOW_CTRL_ITVL
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_HS_FLOW_CTRL_THRESH
+#define CONFIG_NIMBLE_HS_FLOW_CTRL_THRESH CONFIG_BT_NIMBLE_HS_FLOW_CTRL_THRESH
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_HS_FLOW_CTRL_TX_ON_DISCONNECT
+#define CONFIG_NIMBLE_HS_FLOW_CTRL_TX_ON_DISCONNECT CONFIG_BT_NIMBLE_HS_FLOW_CTRL_TX_ON_DISCONNECT
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_L2CAP_COC_MAX_NUM
+#define CONFIG_NIMBLE_L2CAP_COC_MAX_NUM CONFIG_BT_NIMBLE_L2CAP_COC_MAX_NUM
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MAX_BONDS
+#define CONFIG_NIMBLE_MAX_BONDS CONFIG_BT_NIMBLE_MAX_BONDS
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MAX_CCCDS
+#define CONFIG_NIMBLE_MAX_CCCDS CONFIG_BT_NIMBLE_MAX_CCCDS
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MAX_CONNECTIONS
+#define CONFIG_NIMBLE_MAX_CONNECTIONS CONFIG_BT_NIMBLE_MAX_CONNECTIONS
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MEM_ALLOC_MODE
+#define CONFIG_NIMBLE_MEM_ALLOC_MODE CONFIG_BT_NIMBLE_MEM_ALLOC_MODE
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_DEFAULT
+#define CONFIG_NIMBLE_MEM_ALLOC_MODE_DEFAULT CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_DEFAULT
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL
+#define CONFIG_NIMBLE_MEM_ALLOC_MODE_EXTERNAL CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_INTERNAL
+#define CONFIG_NIMBLE_MEM_ALLOC_MODE_INTERNAL CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_INTERNAL
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MESH
+#define CONFIG_NIMBLE_MESH CONFIG_BT_NIMBLE_MESH
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MESH_DEVICE_NAME
+#define CONFIG_NIMBLE_MESH_DEVICE_NAME CONFIG_BT_NIMBLE_MESH_DEVICE_NAME
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MESH_FRIEND
+#define CONFIG_NIMBLE_MESH_FRIEND CONFIG_BT_NIMBLE_MESH_FRIEND
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MESH_GATT_PROXY
+#define CONFIG_NIMBLE_MESH_GATT_PROXY CONFIG_BT_NIMBLE_MESH_GATT_PROXY
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MESH_LOW_POWER
+#define CONFIG_NIMBLE_MESH_LOW_POWER CONFIG_BT_NIMBLE_MESH_LOW_POWER
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MESH_PB_ADV
+#define CONFIG_NIMBLE_MESH_PB_ADV CONFIG_BT_NIMBLE_MESH_PB_ADV
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MESH_PB_GATT
+#define CONFIG_NIMBLE_MESH_PB_GATT CONFIG_BT_NIMBLE_MESH_PB_GATT
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MESH_PROV
+#define CONFIG_NIMBLE_MESH_PROV CONFIG_BT_NIMBLE_MESH_PROV
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MESH_PROXY
+#define CONFIG_NIMBLE_MESH_PROXY CONFIG_BT_NIMBLE_MESH_PROXY
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MESH_RELAY
+#define CONFIG_NIMBLE_MESH_RELAY CONFIG_BT_NIMBLE_MESH_RELAY
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_MSYS1_BLOCK_COUNT
+#define CONFIG_NIMBLE_MSYS1_BLOCK_COUNT CONFIG_BT_NIMBLE_MSYS1_BLOCK_COUNT
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_NVS_PERSIST
+#define CONFIG_NIMBLE_NVS_PERSIST CONFIG_BT_NIMBLE_NVS_PERSIST
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_PINNED_TO_CORE
+#define CONFIG_NIMBLE_PINNED_TO_CORE CONFIG_BT_NIMBLE_PINNED_TO_CORE
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_PINNED_TO_CORE_0
+#define CONFIG_NIMBLE_PINNED_TO_CORE_0 CONFIG_BT_NIMBLE_PINNED_TO_CORE_0
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_PINNED_TO_CORE_1
+#define CONFIG_NIMBLE_PINNED_TO_CORE_1 CONFIG_BT_NIMBLE_PINNED_TO_CORE_1
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_PINNED_TO_CORE_CHOICE
+#define CONFIG_NIMBLE_PINNED_TO_CORE_CHOICE CONFIG_BT_NIMBLE_PINNED_TO_CORE_CHOICE
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_ROLE_BROADCASTER
+#define CONFIG_NIMBLE_ROLE_BROADCASTER CONFIG_BT_NIMBLE_ROLE_BROADCASTER
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_ROLE_CENTRAL
+#define CONFIG_NIMBLE_ROLE_CENTRAL CONFIG_BT_NIMBLE_ROLE_CENTRAL
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_ROLE_OBSERVER
+#define CONFIG_NIMBLE_ROLE_OBSERVER CONFIG_BT_NIMBLE_ROLE_OBSERVER
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_ROLE_PERIPHERAL
+#define CONFIG_NIMBLE_ROLE_PERIPHERAL CONFIG_BT_NIMBLE_ROLE_PERIPHERAL
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_RPA_TIMEOUT
+#define CONFIG_NIMBLE_RPA_TIMEOUT CONFIG_BT_NIMBLE_RPA_TIMEOUT
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_SM_LEGACY
+#define CONFIG_NIMBLE_SM_LEGACY CONFIG_BT_NIMBLE_SM_LEGACY
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_SM_SC
+#define CONFIG_NIMBLE_SM_SC CONFIG_BT_NIMBLE_SM_SC
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_SM_SC_DEBUG_KEYS
+#define CONFIG_NIMBLE_SM_SC_DEBUG_KEYS CONFIG_BT_NIMBLE_SM_SC_DEBUG_KEYS
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_SVC_GAP_APPEARANCE
+#define CONFIG_NIMBLE_SVC_GAP_APPEARANCE CONFIG_BT_NIMBLE_SVC_GAP_APPEARANCE
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_SVC_GAP_DEVICE_NAME
+#define CONFIG_NIMBLE_SVC_GAP_DEVICE_NAME CONFIG_BT_NIMBLE_SVC_GAP_DEVICE_NAME
+#endif
+
+#ifdef CONFIG_BT_NIMBLE_TASK_STACK_SIZE
+#define CONFIG_NIMBLE_TASK_STACK_SIZE CONFIG_BT_NIMBLE_TASK_STACK_SIZE
+#endif
+
 #ifdef CONFIG_ESP32_NO_BLOBS
 #define CONFIG_NO_BLOBS CONFIG_ESP32_NO_BLOBS
 #endif
@@ -1990,5 +2186,5 @@
 #define CONFIG_WIFI_LWIP_ALLOCATION_FROM_SPIRAM_FIRST CONFIG_SPIRAM_TRY_ALLOCATE_WIFI_LWIP
 #endif
 
-#define CONFIG_ARDUINO_IDF_COMMIT "b0f053d82"
+#define CONFIG_ARDUINO_IDF_COMMIT "4c81978a3"
 #define CONFIG_ARDUINO_IDF_BRANCH "release/v4.0"

tools/sdk/include/esp_wifi/esp_wifi_types.h

@@ -57,6 +57,7 @@ typedef enum {
     WIFI_AUTH_WPA_WPA2_PSK,     /**< authenticate mode : WPA_WPA2_PSK */
     WIFI_AUTH_WPA2_ENTERPRISE,  /**< authenticate mode : WPA2_ENTERPRISE */
     WIFI_AUTH_WPA3_PSK,         /**< authenticate mode : WPA3_PSK */
+    WIFI_AUTH_WPA2_WPA3_PSK,    /**< authenticate mode : WPA2_WPA3_PSK */
     WIFI_AUTH_MAX
 } wifi_auth_mode_t;
 

tools/sdk/include/lwip/lwip/ip4_napt.h

@@ -0,0 +1,96 @@
+/**
+ * @file ip4_napt.h
+ * This is a private interface of ip4_napt used from ip4.c
+ *
+ * @see ip4_napt.c
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * original reassembly code by Adam Dunkels <adam@sics.se>
+ *
+ */
+
+#ifndef LWIP_HDR_IP4_NAPT_H
+#define LWIP_HDR_IP4_NAPT_H
+
+#include "lwip/opt.h"
+
+#if ESP_LWIP
+#if IP_FORWARD
+#if IP_NAPT
+
+#include "lwip/def.h"
+#include "lwip/pbuf.h"
+#include "lwip/ip4_addr.h"
+#include "lwip/err.h"
+#include "lwip/netif.h"
+#include "lwip/prot/ip4.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "lwip/err.h"
+#include "lwip/ip4.h"
+
+/**
+* NAPT for a forwarded packet. It checks weather we need NAPT and modify
+* the packet source address and port if needed.
+*
+* @param p the packet to forward (p->payload points to IP header)
+* @param iphdr the IP header of the input packet
+* @param inp the netif on which this packet was received
+* @param outp the netif on which this packet will be sent
+* @return ERR_OK if packet should be sent, or ERR_RTE if it should be dropped
+*/
+err_t
+ip_napt_forward(struct pbuf *p, struct ip_hdr *iphdr, struct netif *inp, struct netif *outp);
+
+/**
+ * NAPT for an input packet. It checks weather the destination is on NAPT
+ * table and modify the packet destination address and port if needed.
+ *
+ * @param p the packet to forward (p->payload points to IP header)
+ * @param iphdr the IP header of the input packet
+ * @param inp the netif on which this packet was received
+ */
+void
+ip_napt_recv(struct pbuf *p, struct ip_hdr *iphdr);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IP_NAPT */
+#endif /* IP_FORWARD */
+#endif /* ESP_LWIP */
+
+#endif /* LWIP_HDR_IP4_NAPT_H */
+

tools/sdk/include/lwip/lwip/lwip_napt.h

@@ -0,0 +1,122 @@
+/**
+ * @file lwip_napt.h
+ * public API of ip4_napt
+ *
+ * @see ip4_napt.c
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * original reassembly code by Adam Dunkels <adam@sics.se>
+ *
+ */
+
+#ifndef __LWIP_NAPT_H__
+#define __LWIP_NAPT_H__
+
+#include "lwip/opt.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if ESP_LWIP
+#if IP_FORWARD
+#if IP_NAPT
+
+/* Default size of the tables used for NAPT */
+#ifndef IP_NAPT_MAX
+#define IP_NAPT_MAX 512
+#endif
+#ifndef IP_PORTMAP_MAX
+#define IP_PORTMAP_MAX 32
+#endif
+
+/* Timeouts in sec for the various protocol types */
+#define IP_NAPT_TIMEOUT_MS_TCP (30*60*1000)
+#define IP_NAPT_TIMEOUT_MS_TCP_DISCON (20*1000)
+#define IP_NAPT_TIMEOUT_MS_UDP (2*1000)
+#define IP_NAPT_TIMEOUT_MS_ICMP (2*1000)
+
+#define IP_NAPT_PORT_RANGE_START 49152
+#define IP_NAPT_PORT_RANGE_END   61439
+
+/**
+ * Enable/Disable NAPT for a specified interface.
+ *
+ * @param addr ip address of the interface
+ * @param enable non-zero to enable NAPT, or 0 to disable.
+ */
+void
+ip_napt_enable(u32_t addr, int enable);
+
+
+/**
+ * Enable/Disable NAPT for a specified interface.
+ *
+ * @param netif number of the interface
+ * @param enable non-zero to enable NAPT, or 0 to disable.
+ */
+void
+ip_napt_enable_no(u8_t number, int enable);
+
+
+/**
+ * Register port mapping on the external interface to internal interface.
+ * When the same port mapping is registered again, the old mapping is overwritten.
+ * In this implementation, only 1 unique port mapping can be defined for each target address/port.
+ *
+ * @param proto target protocol
+ * @param maddr ip address of the external interface
+ * @param mport mapped port on the external interface, in host byte order.
+ * @param daddr destination ip address
+ * @param dport destination port, in host byte order.
+ */
+u8_t
+ip_portmap_add(u8_t proto, u32_t maddr, u16_t mport, u32_t daddr, u16_t dport);
+
+
+/**
+ * Unregister port mapping on the external interface to internal interface.
+ *
+ * @param proto target protocol
+ * @param maddr ip address of the external interface
+ */
+u8_t
+ip_portmap_remove(u8_t proto, u16_t mport);
+
+#endif /* IP_NAPT */
+#endif /* IP_FORWARD */
+#endif /* ESP_LWIP */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LWIP_NAPT_H__ */

tools/sdk/include/lwip/lwip/netif.h

@@ -410,6 +410,11 @@ struct netif {
   void (*l2_buffer_free_notify)(struct netif *lwip_netif, void *user_buf); /* Allows LWIP to notify driver when a L2-supplied pbuf can be freed */
   ip_addr_t last_ip_addr; /* Store last non-zero ip address */
 #endif
+#if ESP_LWIP
+#if LWIP_IPV4 && IP_NAPT
+  u8_t napt;
+#endif
+#endif /* ESP_LWIP */
 };
 #if LWIP_CHECKSUM_CTRL_PER_NETIF
 #define NETIF_SET_CHECKSUM_CTRL(netif, chksumflags) do { \

tools/sdk/include/lwip/lwip/opt.h

@@ -767,6 +767,14 @@
 #define IP_FRAG                         0
 #endif /* !LWIP_IPV4 */
 
+/**
+ * IP_NAPT==1: Enables IPv4 Network Address and Port Translation
+ * Note that IP_FORWARD needs to be enabled for NAPT to work
+ */
+#if !defined IP_NAPT || defined __DOXYGEN__
+#define IP_NAPT                      0
+#endif
+
 /**
  * IP_OPTIONS_ALLOWED: Defines the behavior for IP options.
  *      IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped.
@@ -3525,6 +3533,13 @@
 #define LWIP_TESTMODE                   0
 #endif
 
+/**
+ * NAPT_DEBUG: Enable debugging for NAPT.
+ */
+#ifndef NAPT_DEBUG
+#define NAPT_DEBUG                       LWIP_DBG_OFF
+#endif
+
 /*
    --------------------------------------------------
    ---------- Performance tracking options ----------

tools/sdk/include/wpa_supplicant/os.h

@@ -263,8 +263,7 @@ char * ets_strdup(const char *s);
 #define os_strncpy(d, s, n) strncpy((d), (s), (n))
 #endif
 #ifndef os_strrchr
-//hard cold
-#define os_strrchr(s, c)  NULL
+#define os_strrchr(s, c)  strrchr((s), (c))
 #endif
 #ifndef os_strstr
 #define os_strstr(h, n) strstr((h), (n))