#include?<stdio.h>
int?main()
{
????char?c?=?'a';
????int?n?=c;????????//將c賦值給n
????float?f?=c;???????//將c賦值給f
????double?d?=c;??????//將c賦值給d
????printf("%d\n",n);
????printf("%f\n",f);
????printf("%lf\n",d);
????return?0;????
}

這里為什么運(yùn)行結(jié)果會(huì)是97呢？明明沒(méi)有任何數(shù)據(jù)類型定義為97的呀、、