checking username

[malyczolg]

this same help.

		        if(response == "create")
        {
            name= self.typedvalutelogin;
            f = openfile("account/" + name + ".czolg", "write");
            fprintln(f, self.typedvalutelogin);
            fprintln(f, self.typedvalutepassword);
            closefile(f);
            
            self iprintlnbold("account created name : " + self.typedvalutelogin + " / password : "+ self.typedvalutepassword);
        }
            
        if(response == "login")
        {
            self.writelogin = 0;
            self.writepassword = 0;
            
            if(self.typedvalutelogin=="")
            {
                self iprintlnbold("Please specify a name");
                continue;
            }
            else if(self.typedvalutepassword=="") 
            {
                self iprintlnbold("Please specify a password");
                continue;
            }
            else if(self.typedvalutelogin.size > 3)
            {                
                f=openfile("account/" + self.typedvalutelogin + ".czolg","read");
                if(fgetarg(f,0)!=self.typedvalutelogin)  
                {
                    self iprintlnbold("No such user");
                    continue;
                }
                
                freadln(f);
                if(fgetarg(f,1)!=self.typedvalutepassword) 
                {
                    self iprintlnbold("Invalid password");
                    closefile(f);
                    continue;
                }
            }
            else if(self.typedvalutelogin.size <= 3)
            {
                self iprintlnbold("atleast 3 letters");
            }
        }