ref: 1cd61f173ed9b75de10f8d8b6a68a8de8cc095cf
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