10

The ASCII character set

  1. #include <stdio.h>
  2.  
  3. main() {
  4.     char c = 'A';
  5.  
  6.     printf("\t c = %d - %x %o (%c)\n", c, c, c, c);
  7.     c--;
  8.     printf("\t c = %d - %x %o (%c)\n", c, c, c, c);
  9.     c = 98;
  10.     printf("\t c = %d - %x %o (%c)\n", c, c, c, c);
  11.     c -= 'a' - 'A';
  12.     printf("\t c = %d - %x %o (%c)\n", c, c, c, c);
  13. }
$ gcc -o ascii ascii.c
$ ./ascii 
	 c = 65 - 41 101 (A)
	 c = 64 - 40 100 (@)
	 c = 98 - 62 142 (b)
	 c = 66 - 42 102 (B)

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