How to separate the fullname "John Doe" and assign "John" to firstname and "Doe"to lastname?

Question

separating fullname in firstname and lastname

Answer 1

In other languages you would use split().
https://stackoverflow.com/questions/5888022/split-string-by-single-spaces

Answer 2

You can use strtok function for that
http://www.cplusplus.com/reference/cstring/strtok/

Since strtok is a C language function so it handles character array not strings. To convert string into char array use (string).c_str function
http://www.cplusplus.com/reference/string/string/c_str/