powers h define sqrx xx define cubex xx

例 文件包含举例 /* powers. h */ #define sqr(x) ((x)*(x)) #define cube(x) ((x)*(x)) #define quad(x) ((x)*(x)*(x)) /*ch 8_10. c*/ #include <stdio. h> #include "d: fengyibkcpowers. h" #define MAX_POWER 10 void main() { int n; printf("numbert exp 2t exp 3t exp 4n"); printf("----t-----t------n"); for(n=1; n<=MAX_POWER; n++) printf("%2 dt %3 dt %4 dt %5 dn", n, sqr(n), cube(n), quad(n)); }