C语言 | 三目运算实现判断大写

#include<stdio.h>//头文件
int main()//主函数
{
  char character_Big,character_Small;//定义字符变量
  printf("请输入字母：");
  scanf("%c",&character_Big);//键盘输入字符
  character_Small=(character_Big>='A'&&character_Big<='Z')?(character_Big+32):character_Big;
  printf("%c\n",character_Small);//输出
  return 0;//函数返回值为0
}

请输入字母：B
b

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Process exited after 5.149 seconds with return value 0
请按任意键继续. . .

b?x:y;