Init commit with many years of arduino sketches and projects. I dont know if the esp8266 includes much, but there are also libraries. I hope they dont have crazy automatic versioning through the Arduino IDE.

Projects/libraries/Installed_libs/Twitter/Twitter.cpp

@@ -0,0 +1,91 @@
+/*
+  Twitter.cpp - Arduino library to Post messages to Twitter using OAuth.
+  Copyright (c) NeoCat 2010-2011. All right reserved.
+  
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
+ */
+
+// ver1.2 - Use <string.h>
+// ver1.3 - Support IDE 1.0
+
+#include <string.h>
+#include "Twitter.h"
+
+#define LIB_DOMAIN "arduino-tweet.appspot.com"
+
+#if defined(ARDUINO) && ARDUINO < 100
+static uint8_t server[] = {0,0,0,0}; // IP address of LIB_DOMAIN
+Twitter::Twitter(const char *token) : client(server, 80), token(token)
+{
+}
+#else
+Twitter::Twitter(const char *token) : token(token)
+{
+}
+#endif
+
+bool Twitter::post(const char *msg)
+{
+#if defined(ARDUINO) && ARDUINO < 100
+	DNSError err = EthernetDNS.resolveHostName(LIB_DOMAIN, server);
+	if (err != DNSSuccess) {
+		return false;
+	}
+#endif
+	parseStatus = 0;
+	statusCode = 0;
+#if defined(ARDUINO) && ARDUINO < 100
+	if (client.connect()) {
+#else
+	if (client.connect(LIB_DOMAIN, 80)) {
+#endif
+		client.println("POST http://" LIB_DOMAIN "/update HTTP/1.0");
+		client.print("Content-Length: ");
+		client.println(strlen(msg)+strlen(token)+14);
+		client.println();
+		client.print("token=");
+		client.print(token);
+		client.print("&status=");
+		client.println(msg);
+	} else {
+		return false;
+	}
+	return true;
+}
+
+bool Twitter::checkStatus(Print *debug)
+{
+	if (!client.connected()) {
+		if (debug)
+			while(client.available())
+				debug->print((char)client.read());
+		client.flush();
+		client.stop();
+		return false;
+	}
+	if (!client.available())
+		return true;
+	char c = client.read();
+	if (debug)
+		debug->print(c);
+	switch(parseStatus) {
+	case 0:
+		if (c == ' ') parseStatus++; break;  // skip "HTTP/1.1 "
+	case 1:
+		if (c >= '0' && c <= '9') {
+			statusCode *= 10;
+			statusCode += c - '0';
+		} else {
+			parseStatus++;
+		}
+	}
+	return true;
+}
+
+int Twitter::wait(Print *debug)
+{
+	while (checkStatus(debug));
+	return statusCode;
+}