Sam
         This is a test
         Hello World
  1 /************************************************
  2  * Compute the length of a string entered by    *
  3  * the user.                                    *
  4  ************************************************/
  5 #include <iostream>
  6
  7 /************************************************
  8  * length -- Find the length of a string        *
  9  *      (strlen does a better job.)             *
 10  *                                              *
 11  * Returns:                                     *
 12  *      length of the string.                   *
 13  ************************************************/
 14 static int length(
 15     const char string[] // String to check
 16 )
 17 {
 18     int index;       // index into the string
 19
 20     /*
 21      * Loop until we reach the
 22      * end of string character
 23      */
 24      for (index=0; string[index] != '\0';++index)
 25          /* do nothing */
 26
 27      return (index);
 28 }
 29
 30 int main()
 31 {
 32     char line[100];    // Input line from user
 33
 34     while (1) {
 35         std::cout << "Enter a string: ";
 36         std::cin.getline(line, sizeof(line));
 37
 38         std::cout << "Length is " <<
 39             length(line) << '\n';
 40     }
 41     return (0);
 42 }