C语言特殊字符的ASCII值得输入输出！！请大神详解

C语言中特殊字符的ASCII值输入输出！！请详细解释一下C语言中特殊字符的ASCII值！！请详细解释介绍:这是源代码# include < stdio.h gt# include ltconio.h gtint main(){ int key；while(1){ key = getch()；if(key==