MG_DISABLE_SOCKETPAIR -> MG_ENABLE_BROADCAST

PUBLISHED_FROM=81b6289a4b54043df557142f0de8cc66bc5190d4

docs/c-api/net.h/struct_mg_mgr.md

@@ -8,7 +8,7 @@ signature: |
   #if MG_ENABLE_HEXDUMP
     const char *hexdump_file; /* Debug hexdump file path */
   #endif
-  #if !MG_DISABLE_SOCKETPAIR
+  #if MG_ENABLE_BROADCAST
     sock_t ctl[2]; /* Socketpair for mg_broadcast() */
   #endif
     void *user_data; /* User data */

docs/overview/build-options/disabling-flags.md

@@ -5,5 +5,4 @@ title: Disabling flags
 - `MG_DISABLE_HTTP_DIGEST_AUTH` disable HTTP Digest (MD5) authorisation support
 - `MG_DISABLE_SHA1` disable SHA1 support (used by WebSocket)
 - `MG_DISABLE_MD5` disable MD5 support (used by HTTP auth)
-- `MG_DISABLE_SOCKETPAIR` disable `mg_broadcast()` API
 - `MG_DISABLE_HTTP_KEEP_ALIVE` useful for embedded systems to save resources

docs/overview/build-options/enabling-flags.md

@@ -3,7 +3,7 @@ title: Enabling flags
 ---
 
 - `MG_ENABLE_SSL` Enable [SSL/TLS support](https://docs.cesanta.com/mongoose/master/#/http/ssl.md/) (OpenSSL API)
-- `MG_ENABLE_IPV6` Enable IPV6 support
+- `MG_ENABLE_IPV6` Enable IPv6 support
 - `MG_ENABLE_MQTT` enable [MQTT client](https://docs.cesanta.com/mongoose/master/#/mqtt/client_example.md/)
 - `MG_ENABLE_MQTT_BROKER` enable [MQTT broker](https://docs.cesanta.com/mongoose/master/#/mqtt/server_example.md/)
 - `MG_ENABLE_DNS_SERVER` enable DNS server
@@ -14,5 +14,6 @@ title: Enabling flags
 - `MG_ENABLE_HTTP_SSI_EXEC` Enable SSI `exec` operator
 - `MG_ENABLE_HTTP_WEBDAV` enable WebDAV extensions to HTTP
 - `MG_ENABLE_HTTP_WEBSOCKET` enable WebSocket extension to HTTP (on by default, =0 to disable)
+- `MG_ENABLE_BROADCAST` enable `mg_broadcast()` API
 - `MG_ENABLE_GETADDRINFO` enable `getaddrinfo()` in `mg_resolve2()`
 - `MG_ENABLE_THREADS` enable `mg_start_thread()` API