115       LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API CALL message %p\n", (void *)msg));  in tcpip_thread()
166  * @param input_fn input function to call
203  * ethernet_input or ip_input. Don't call directly, pass to netif_add()
204  * and call netif->input().
223  * Call a specific function in the thread context of
228  * @param function the function to call
261  * call sys_timeout in tcpip_thread
289  * call sys_untimeout in tcpip_thread
317  * Sends a message to TCPIP thread to call a function. Caller thread blocks on
358  * If not, a semaphore is created and destroyed on every call which is usually
360  * @param fn Function to call
361  * @param call Call parameters
365 tcpip_api_call(tcpip_api_call_fn fn, struct tcpip_api_call_data *call)  in tcpip_api_call()  argument
370   err = fn(call);  in tcpip_api_call()
377   err_t err = sys_sem_new(&call->sem, 0);  in tcpip_api_call()
387   TCPIP_MSG_VAR_REF(msg).msg.api_call.arg = call;  in tcpip_api_call()
392   TCPIP_MSG_VAR_REF(msg).msg.api_call.sem = &call->sem;  in tcpip_api_call()
399   sys_sem_free(&call->sem);  in tcpip_api_call()
402   return call->err;  in tcpip_api_call()
410  * @param function the function to call
458  * @param initfunc a function to call when tcpip_thread is running and finished initializing