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	thello_user.A.cpp - numeric - C++ library with numerical algorithms
	git clone git://src.adamsgaard.dk/numeric
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	---
	thello_user.A.cpp (321B)
	---
	1 #include <iostream>
	2 #include <string>
	3 #include <cstdlib> // For getenv()
	4
	5 int main()
	6 {
	7 // Namespace definitions
	8 using std::cout;
	9 using std::string;
	10
	11 // Get USER environment variable
	12 string username = getenv("USER");
	13
	14 // Greet user
	15 cout << "Hello, " << username << '\n';
	16
	17 // Successfull exit
	18 return 0;
	19 }