minor: examples: reorder functions for declarations prior to call (#6766)

* minor: reorder functions for declaration prior to call
harmless for arduino, helps with emulation on host or PIO

* fixes per review

Author: d-a-v

libraries/ESP8266WebServer/examples/AdvancedWebServer/AdvancedWebServer.ino

@@ -94,6 +94,25 @@ void handleNotFound() {
   digitalWrite(led, 0);
 }
 
+void drawGraph() {
+  String out;
+  out.reserve(2600);
+  char temp[70];
+  out += "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"400\" height=\"150\">\n";
+  out += "<rect width=\"400\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"1\" stroke=\"rgb(0, 0, 0)\" />\n";
+  out += "<g stroke=\"black\">\n";
+  int y = rand() % 130;
+  for (int x = 10; x < 390; x += 10) {
+    int y2 = rand() % 130;
+    sprintf(temp, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" stroke-width=\"1\" />\n", x, 140 - y, x + 10, 140 - y2);
+    out += temp;
+    y = y2;
+  }
+  out += "</g>\n</svg>\n";
+
+  server.send(200, "image/svg+xml", out);
+}
+
 void setup(void) {
   pinMode(led, OUTPUT);
   digitalWrite(led, 0);
@@ -133,20 +152,3 @@ void loop(void) {
   MDNS.update();
 }
 
-void drawGraph() {
-  String out = "";
-  char temp[100];
-  out += "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"400\" height=\"150\">\n";
-  out += "<rect width=\"400\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"1\" stroke=\"rgb(0, 0, 0)\" />\n";
-  out += "<g stroke=\"black\">\n";
-  int y = rand() % 130;
-  for (int x = 10; x < 390; x += 10) {
-    int y2 = rand() % 130;
-    sprintf(temp, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" stroke-width=\"1\" />\n", x, 140 - y, x + 10, 140 - y2);
-    out += temp;
-    y = y2;
-  }
-  out += "</g>\n</svg>\n";
-
-  server.send(200, "image/svg+xml", out);
-}

libraries/esp8266/examples/NTP-TZ-DST/NTP-TZ-DST.ino

@@ -85,6 +85,16 @@ static bool time_machine_running = false;
 //    return 15000; // 15s
 //}
 
+#define PTM(w) \
+  Serial.print(" " #w "="); \
+  Serial.print(tm->tm_##w);
+
+void printTm(const char* what, const tm* tm) {
+  Serial.print(what);
+  PTM(isdst); PTM(yday); PTM(wday);
+  PTM(year);  PTM(mon);  PTM(mday);
+  PTM(hour);  PTM(min);  PTM(sec);
+}
 
 void showTime() {
   gettimeofday(&tv, nullptr);
@@ -152,18 +162,6 @@ void showTime() {
   Serial.println();
 }
 
-
-#define PTM(w) \
-  Serial.print(" " #w "="); \
-  Serial.print(tm->tm_##w);
-
-void printTm(const char* what, const tm* tm) {
-  Serial.print(what);
-  PTM(isdst); PTM(yday); PTM(wday);
-  PTM(year);  PTM(mon);  PTM(mday);
-  PTM(hour);  PTM(min);  PTM(sec);
-}
-
 void time_is_set_scheduled() {
   // everything is allowed in this function