ex5-9.c

这是《Keil Cx51 V7.0单片机高级语言编程与uVision2应用实践》教材各章中列出的全部程序例子。

#include<stdio.h>
main() {
  enum color{red, green, blue} I,j,k,st;
  int n = 0, lp;
for (i=red; i<=blue; i++)
for (j=red; i<=blue; i++)
for (k=red; k<=blue; k++) {
    n=n+1;
    printf("%-4d",n);
    for (lp=1;lp<=3; lp++) {
      switch(lp) {
        case 1: st=i; break;
        case 2: st=j; break;
        case 3: st=k; break;
        default: break;
      }
      switch(st) {
        case red:   printf("%-10s", "red"); break;
        case green: printf("%-10s", "green"); break;
        case blue:  printf("%-10s", "blue"); break;
        default:    break;
      }
    }
    printf("\n");  
}
  printf("\n total: %5d\n", n);
}