#include <stdio.h>

int main(void) {
  char ch[] = {'\n',  '\t',   '\'',   '\\', 
               '\12', '\141', '\156',
               '\xa', '\x61', '\x6e'
              };
  int i;

  for(i = 0; i <= sizeof(ch)/sizeof(char) - 1; i++)
    printf("ch[%d] = %c (as char) and %d (as integer)\n", i, ch[i], ch[i]);

  return 0;
}