get.c

这是c语言的一个模拟抛银币的正反面游戏

#include "heads_or_tails.h"

int get_call_from_user(void)
{
	int guess;	/*0=heads, 1=tails */

	do{
		printf("now call it: ");
		if(scanf("%d",&guess)!=1){
			printf("sorry:input error-bye!\n\n");
			exit(1);
		}
		if(guess!=0&&guess!=1){
			printf("\n%s\n\n",
				"ERROR:type 0 for heads,1 for tails.");
		}
	}while(guess!=0&&guess!=1);
	return guess;



}