Add tinyhttp code for sending and reading responses. Clean up some dacp routines. Most new and modified rooutines untested.

dacp.h

@@ -1,15 +1,14 @@
 #pragma once
 #include "common.h"
 #include "config.h"
-#include <sys/socket.h>
 #include <pthread.h>
+#include <sys/socket.h>
 
 #include "player.h"
 
 static pthread_mutex_t dacp_server_information_lock;
 static pthread_cond_t dacp_server_information_cv;
 
-
 typedef struct dacp_speaker_stuff {
   int64_t speaker_number;
   int active;
@@ -22,12 +21,13 @@ void dacp_monitor_start();
 uint32_t dacp_tlv_crawl(
     char **p,
     int32_t *length); // return the code of the next TLV entity and advance the pointer beyond it.
-ssize_t dacp_send_client_command(rtsp_conn_info *conn, const char *command, char *response,
-                                 size_t max_response_length);
+
 int32_t dacp_get_client_volume(rtsp_conn_info *conn); // return the overall volume from the client
 int dacp_set_include_speaker_volume(rtsp_conn_info *conn, int64_t machine_number, int32_t vo);
 int dacp_set_speaker_volume(rtsp_conn_info *conn, int64_t machine_number, int32_t vo);
 int dacp_get_speaker_list(rtsp_conn_info *conn, dacp_spkr_stuff *speaker_array,
                           int max_size_of_array);
-void set_dacp_server_information(rtsp_conn_info* conn); // tell the DACP conversation thread that the dacp server information has been set or changed
-
+void set_dacp_server_information(rtsp_conn_info *conn); // tell the DACP conversation thread that
+                                                        // the dacp server information has been set
+                                                        // or changed
+int send_simple_dacp_command(const char *command);