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