fallthru.c

里面包含很多c语言的源码

/* Another use of the switch statement. */

#include <stdio.h>
#include <stdlib.h>

int main( void )
{
   int reply;

    while (1)
    {
        puts("\nEnter a value between 1 and 10, 0 to exit: ");
        scanf("%d", &reply);

        switch (reply)
        {
            case 0:
                exit(0);
            case 1:
            case 2:
            case 3:
            case 4:
            case 5:
                {
                  puts("You entered 5 or below.\n");
                  break;
                }
            case 6:
            case 7:
            case 8:
            case 9:
            case 10:
                {
                  puts("You entered 6 or higher.\n");
                  break;
                }
            default:
                  puts("Between 1 and 10, please!\n");
        } /* end of switch */
    }     /*end of while */
    return 0;
}