Hello World

Write a program that greets the user by name, or by saying "Hello, World!" if no name is given.

Challenge sourced from [http://exercism.io]

Tests: 

The `Hello World!` program will greet me, the caller.
If I tell the program my name is Alice, it will greet me by saying "Hello, Alice!".
If I neglect to give it my name, it will greet me by saying "Hello, World!"

Mon, 2017-03-27 12:08
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Joined: 4 weeks 1 day ago

#incluede<stdio.h>
#include<conio.h>
void main()
{
printf("Hello, World");
getch();
}