Swapping Strings Using User Defined Functions

How to swap 2 strings using reference variables and a user defined function?
How about spending some time reading the C++ tutorial I linked you instead of repeatedly asking a bunch of nonsense questions?

We aren't here to do your homework for you.
Nor your thinking for you.

BTW, signing up with multiple names is considered bad-netiquette and trollish behavior.
You got me wrong.....Actually i am new to this forum .... so i didnt know how to post a new topic so i posted my question in his topic......sorry for doing that
Anyway i read that tutorial and got the solution thanx
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