165       LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API CALL message %p\n", (void *)msg));  in tcpip_thread_handle_msg()
237  * @param input_fn input function to call
274  * ethernet_input or ip_input. Don't call directly, pass to netif_add()
275  * and call netif->input().
295  * Call a specific function in the thread context of
302  * @param function the function to call
330  * Call a specific function in the thread context of
338  * @param function the function to call
369  * call sys_timeout in tcpip_thread
397  * call sys_untimeout in tcpip_thread
425  * Sends a message to TCPIP thread to call a function. Caller thread blocks on
466  * If not, a semaphore is created and destroyed on every call which is usually
468  * @param fn Function to call
469  * @param call Call parameters
473 tcpip_api_call(tcpip_api_call_fn fn, struct tcpip_api_call_data *call)  in tcpip_api_call()  argument
478   err = fn(call);  in tcpip_api_call()
485   err_t err = sys_sem_new(&call->sem, 0);  in tcpip_api_call()
495   TCPIP_MSG_VAR_REF(msg).msg.api_call.arg = call;  in tcpip_api_call()
500   TCPIP_MSG_VAR_REF(msg).msg.api_call.sem = &call->sem;  in tcpip_api_call()
507   sys_sem_free(&call->sem);  in tcpip_api_call()
510   return call->err;  in tcpip_api_call()
523  * @param function the function to call
598  * @param initfunc a function to call when tcpip_thread is running and finished initializing