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#include <stdio.h>

#define POS "@@C\x1"

#define SIZE 23

#define SILLY(x) (SIZE + x)

#define SILLY2(x) (SIZE * 2 + x * 2)

char s1[] = "m\000"; /* character 'm' followed by char containing 0 octal */

char s2[] = "n\x05"; /* character 'm' followed by char containing 05 hex */

char s3[] = "o\a"; /* \attention = BELL */

char s4[] = "p\r"; /* \return    = CR */

char s5[] = "q\n"; /* \newline   = LF */

char s6[] = "r\t"; /* \tab       = TAB */

char s7[] = "s\f"; /* \form feed = FF (but in fact */

/* you need ANSI escape codes on UNIX  */

char s8[] = POS;

/* function to print out a character array character by character with

   each character in () unless its code is less than 31 , then the hex code

   for that character */

/* str is pointer to first character */

/* count is the character count */

void list (char *str, int count)

{

        printf ("string in hex ");

        for (; count > 0; count--)

                printf (" (%c) %02X", *str > 31 ? *str : '?', *str++);

        printf ("\n");

}

void main (void)

{

        int x;

        x = SILLY (3);

        list (s1, 2);

        list (s2, 2);

        list (s3, 2);

        list (s4, 2);

        list (s5, 2);

        list (s6, 2);

        list (s7, 2);

        list (s8, 4);

}