Character input and conditional processing

I'm designing a program where the user types in 1 letter commands to do stuff.

Code:

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#include <iostream.h>
#include <stdlib.h>
int main()
{
char command;
cout << "Enter command";
cin >> command;

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But I'm having trouble getting the program to detect what letter is inputted, so that if it is H it displays a helpmessage, or if its Q it quits.

Code:

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switch(command)  //command is the variable to test
case 'h':
case 'H':
  //code for help
  break;
case 'q':
case 'Q':
  //quit
  break;
case 'c':
case 'C':
  //do things for 'C'
  break;
default:
  //catches any other letter
}

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State your problem more clearly
what kind of var youre inputting it in?
where are your conditional statements?

Thanks Madhatter, your code was a big help.