1/* Macros for C programs written in national variants of ISO 646. */ 2 3#ifndef __cplusplus 4#define and && 5#define and_eq &= 6#define bitand & 7#define bitor | 8#define compl ~ 9#define not ! 10#define not_eq != 11#define or || 12#define or_eq |= 13#define xor ^ 14#define xor_eq ^= 15#endif 16