1. 
   void printstr(char string[])
   {
      int i;
      for (i = 0 ; string[i] != '\0' ; i++)
         cout << string[i];
   }
   

   
   
   
2. No, because it prints all chars from the beginning of the string until it finds the null byte. The function assumes there is a null byte in the string because that is required for c-style strings.
   
   

3. void readword(char string[], int maxch)
   {
       int i = 0;
       char ch;
       ch = cin.get();
       while (ch == '\n' || ch == '\t' || ch == ' ')
          ch = cin.get();
       while (ch != '\n' && ch != '\t' && ch != ' ' && i < maxch)
       {
          string[i] = ch;
          ch = cin.get();
          i++;
       }
       string[i] = '\0';
   }
   
   
   
   

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