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  1. #include <stdio.h>
  2.  
  3. #define POS "@@C\x1"
  4.  
  5. #define SIZE 23
  6.  
  7. #define SILLY(x) (SIZE + x)
  8.  
  9. #define SILLY2(x) (SIZE * 2 + x * 2)
  10.  
  11. char s1[] = "m\000"; /* character 'm' followed by char containing 0 octal */
  12.  
  13. char s2[] = "n\x05"; /* character 'm' followed by char containing 05 hex */
  14.  
  15. char s3[] = "o\a"; /* \attention = BELL */
  16.  
  17. char s4[] = "p\r"; /* \return    = CR */
  18.  
  19. char s5[] = "q\n"; /* \newline   = LF */
  20.  
  21. char s6[] = "r\t"; /* \tab       = TAB */
  22.  
  23. char s7[] = "s\f"; /* \form feed = FF (but in fact */
  24.  
  25. /* you need ANSI escape codes on UNIX  */
  26.  
  27. char s8[] = POS;
  28.  
  29. /* function to print out a character array character by character with
  30.  
  31.    each character in () unless its code is less than 31 , then the hex code
  32.  
  33.    for that character */
  34.  
  35. /* str is pointer to first character */
  36.  
  37. /* count is the character count */
  38.  
  39. void list (char *str, int count)
  40. {
  41.         printf ("string in hex ");
  42.  
  43.         for (; count > 0; count--)
  44.  
  45.                 printf (" (%c) %02X", *str > 31 ? *str : '?', *str++);
  46.  
  47.         printf ("\n");
  48. }
  49.  
  50. void main (void)
  51. {
  52.         int x;
  53.  
  54.         x = SILLY (3);
  55.  
  56.         list (s1, 2);
  57.  
  58.         list (s2, 2);
  59.  
  60.         list (s3, 2);
  61.  
  62.         list (s4, 2);
  63.  
  64.         list (s5, 2);
  65.  
  66.         list (s6, 2);
  67.  
  68.         list (s7, 2);
  69.  
  70.         list (s8, 4);
  71. }
  72.