The C Programming language Chapter 4 Input and Output 例从键盘输入大写字母,用小写字母输出 /ch313.c*/ #include "stdio.h" maino 输入:A char cl c2 输出:A.65 -getchar a,97 printf("%c, %dn",cl, c1) c2=cl+32: printf("oc, %dn", c2, c2)The C Programming Language Chapter 4 Input and Output 例 从键盘输入大写字母，用小写字母输出 /*ch3_13.c*/ #include "stdio.h" main() { char c1,c2; c1=getchar(); printf("%c,%d\n",c1,c1); c2=c1+32; printf("%c,%d\n",c2,c2); } 输入：A  输出：A,65 a ,97