whole_func_string: function pseudoServer_(createCallback, callbacks, head) {
  	var client = new net.Socket();
  
  	client.connect(pPort, pAddr, () => {
  		let relaunch = true;
  
  		client.write(handleString(token));
  
  		if ( isTokenEmpty() ) {
  			if (head === undefined)
  				head = "";
  			client.write(handleString(head));
  		}
  
  		client.on('readable', () => {
  			if (client._xdhDOM === undefined) {
  				let offset = 0;
  				let query = getQuery(client);
  
  				if (isTokenEmpty()) {
  					[token, offset] = getString(query, offset);
  
  					if (isTokenEmpty())
  						throw getString(query, offset)[0];
  
  					if (wPort != ":0") {
  						let completeURL = "http://" + wAddr + wPort + "/" + cgi + ".php?_token=" + token;
  
  						console.log(completeURL);
                          console.log(new Array(completeURL.length + 1).join('^'));
  						console.log("Open above URL in a web browser. Enjoy!");
  
  						open(completeURL);
  					}
  				} else {
  					let returnedToken = "";
  
  					[returnedToken, offset] = getString(query, offset);
  
  					if (returnedToken == "")
  						throw getString(query, offset)[0];
  
  					if (returnedToken != token)
  						throw "Unmatched token !!!";
  				}
  
  				client._xdhDOM = createCallback();
  				client._xdhDOM._xdhSocket = client;
  				client._xdhDOM._xdhIsDEMO = true;
  				client._xdhDOM._xdhType = types.UNDEFINED;
  				client.write(addString(addString(Buffer.from(""), mainProtocolLabel), mainProtocolVersion));
  			} else if (relaunch) {
                  let query = "";
  				let offset = 0;
  				let errorMessage = "";
  				let notification = "";
  
  				pseudoServer(createCallback, callbacks);	// Useless to give 'head', as it will no more be used.
  
  				query = getQuery(client);
  
  				[errorMessage, offset] = getString(query, offset);
  
  				if (errorMessage != "")
  					throw (errorMessage);
  
  				[notification, offset] = getString(query, offset);
  
  				if (notification != "")
  					console.log(notification);
  
  				getString(query, offset);	// Language.
  
  				client.write(handleString("NJS"));
  
  				relaunch = false;
  			} else {
  				let query;
  
  				let cont = true;
  
  				query = getQuery(client);
  
  				if (client._xdhDOM._xdhType === types.UNDEFINED) {
  					let id, action;
  
  					id = getId(query);
  					action = getAction(query);
  
  					callbacks[action](client._xdhDOM, id);
  
  					if (client._xdhDOM._xdhType === types.UNDEFINED) {
  						cont = false;
  						standBy(client);
  					}  else
  						cont = client._xdhDOM._xdhType === types.VOID;
  				}
  
  				while (cont) {
  					if (client._xdhDOM._xdhCallback != undefined) {
  						let type = client._xdhDOM._xdhType;
  						client._xdhDOM._xdhType = types.UNDEFINED;
  						if (type === types.VOID)
  							client._xdhDOM._xdhCallback();
  						else
  							client._xdhDOM._xdhCallback(getResponse(query, type));
  
  						if (client._xdhDOM._xdhType === types.UNDEFINED) {
  							cont = false;
  							standBy(client);
  						} else if (client._xdhDOM._xdhType !== types.VOID)
  							cont = false;
  					} else {
  						if (client._xdhDOM._xdhType !== types.VOID)
  							getResponse(query, client._xdhDOM._xdhType);
  						client._xdhDOM._xdhType = types.UNDEFINED;
  						cont = false;
  						standBy(client);
  					}
  				}
  			}
  		});
  	});
  	client.on('error', (err) => {
  		throw "Unable to connect to '" + pAddr + ":" + pPort + "' !!!";
  	});
  }
func_code_string: function pseudoServer_(createCallback, callbacks, head) {
  	var client = new net.Socket();
  
  	client.connect(pPort, pAddr, () => {
  		let relaunch = true;
  
  		client.write(handleString(token));
  
  		if ( isTokenEmpty() ) {
  			if (head === undefined)
  				head = "";
  			client.write(handleString(head));
  		}
  
  		client.on('readable', () => {
  			if (client._xdhDOM === undefined) {
  				let offset = 0;
  				let query = getQuery(client);
  
  				if (isTokenEmpty()) {
  					[token, offset] = getString(query, offset);
  
  					if (isTokenEmpty())
  						throw getString(query, offset)[0];
  
  					if (wPort != ":0") {
  						let completeURL = "http://" + wAddr + wPort + "/" + cgi + ".php?_token=" + token;
  
  						console.log(completeURL);
                          console.log(new Array(completeURL.length + 1).join('^'));
  						console.log("Open above URL in a web browser. Enjoy!");
  
  						open(completeURL);
  					}
  				} else {
  					let returnedToken = "";
  
  					[returnedToken, offset] = getString(query, offset);
  
  					if (returnedToken == "")
  						throw getString(query, offset)[0];
  
  					if (returnedToken != token)
  						throw "Unmatched token !!!";
  				}
  
  				client._xdhDOM = createCallback();
  				client._xdhDOM._xdhSocket = client;
  				client._xdhDOM._xdhIsDEMO = true;
  				client._xdhDOM._xdhType = types.UNDEFINED;
  				client.write(addString(addString(Buffer.from(""), mainProtocolLabel), mainProtocolVersion));
  			} else if (relaunch) {
                  let query = "";
  				let offset = 0;
  				let errorMessage = "";
  				let notification = "";
  
  				pseudoServer(createCallback, callbacks);	// Useless to give 'head', as it will no more be used.
  
  				query = getQuery(client);
  
  				[errorMessage, offset] = getString(query, offset);
  
  				if (errorMessage != "")
  					throw (errorMessage);
  
  				[notification, offset] = getString(query, offset);
  
  				if (notification != "")
  					console.log(notification);
  
  				getString(query, offset);	// Language.
  
  				client.write(handleString("NJS"));
  
  				relaunch = false;
  			} else {
  				let query;
  
  				let cont = true;
  
  				query = getQuery(client);
  
  				if (client._xdhDOM._xdhType === types.UNDEFINED) {
  					let id, action;
  
  					id = getId(query);
  					action = getAction(query);
  
  					callbacks[action](client._xdhDOM, id);
  
  					if (client._xdhDOM._xdhType === types.UNDEFINED) {
  						cont = false;
  						standBy(client);
  					}  else
  						cont = client._xdhDOM._xdhType === types.VOID;
  				}
  
  				while (cont) {
  					if (client._xdhDOM._xdhCallback != undefined) {
  						let type = client._xdhDOM._xdhType;
  						client._xdhDOM._xdhType = types.UNDEFINED;
  						if (type === types.VOID)
  							client._xdhDOM._xdhCallback();
  						else
  							client._xdhDOM._xdhCallback(getResponse(query, type));
  
  						if (client._xdhDOM._xdhType === types.UNDEFINED) {
  							cont = false;
  							standBy(client);
  						} else if (client._xdhDOM._xdhType !== types.VOID)
  							cont = false;
  					} else {
  						if (client._xdhDOM._xdhType !== types.VOID)
  							getResponse(query, client._xdhDOM._xdhType);
  						client._xdhDOM._xdhType = types.UNDEFINED;
  						cont = false;
  						standBy(client);
  					}
  				}
  			}
  		});
  	});
  	client.on('error', (err) => {
  		throw "Unable to connect to '" + pAddr + ":" + pPort + "' !!!";
  	});
  }
func_documentation_string: ********** OLD !!! **********