ref: a763df064b21eb5e74e8fe723180f201a04a1382
dir: /include/iso646.h/
#ifndef _ISO646_H #define _ISO646_H #define and && #define and_eq &= #define bitand & #define bitor | #define compl ~ #define not ! #define not_eq != #define or || #define or_eq |= #define xor ^ #define xor_eq ^= #endif