Hi!

I don't know "online-webscore-code by Torsten Simon" but i suspect you modified that a little bit.
Please notice that:
Code:
function string_eingeben(STRING* my_str)
{
   while(1)
   {
   	if (inchar(enter_name1_string) == 13) break;
   	str_cat(enter_name2_string, enter_name1_string);
   }
}

In string_eingeben function the parameter that takes the string for store the name is my_str.
Unfortunately, inside the function you don't use this variable.
I think perhaps in the str_cat you should use that.