// Header <iso646.h>
#ifndef ISO646
#define ISO646

// Boolean
#define  and     &&
#define  or      ||
#define  not     !

// Bitwise
#define  bitand  &
#define  bitor   |
#define  compl   ~
#define  xor     ^

// Equals
#define  and_eq  &=
#define  not_eq  !=
#define  or_eq   |=
#define  xor_eq  ^=


#endif