manydice.c

C Primer Plus(第五版)中文版,不用多说了

/* manydice.c -- multiple dice rolls                    */
/* compile with diceroll.c                              */
#include <stdio.h>
#include <stdlib.h>              /* for library srand() */
#include <time.h>                /* for time()          */
#include "diceroll.h"            /* for roll_n_dice()   */
                                 /* and for roll_count  */
int main(void)
{
  int dice,roll;
  int sides;

  srand((unsigned int) time(0)); /* randomize seed      */
  printf("Enter the number of sides per die, 0 to stop.\n");
  while (scanf("%d", &sides) == 1 && sides > 0)
  {
      printf("How many dice?\n");
      scanf("%d", &dice);
      roll = roll_n_dice(dice, sides);
      printf("You have rolled a %d using %d %d-sided dice.\n",
              roll, dice, sides);
      printf("How many sides? Enter 0 to stop.\n");
  }
  printf("The rollem() function was called %d times.\n",
          roll_count);           /* use extern variable */
  
  printf("GOOD FORTUNE TO YOU!\n");
  
  return 0;
}