大家帮我看看我第二个函数void 怎么运算不出来

Question

#include<stdio.h>#define OK  1int prog6_2(){ int a=3,b=4,sum=0; int *pa,*pb,*psum; char ch; char *pch=&ch; pa=&a; pb=&b; psum=&sum; printf("指针变量的值:pa=%x pb=%x psum=%x\n",pa,pb,psum); printf("目标变量的值:a=%d pb=%d sum=%d\n",*pa,*pb,*psum); *psum=*pa+*pb; *pch='A'; printf("运输结果;sum=%d\tch=%c\n",*(&sum),ch); printf("整型指针变量的+运算:pa=%x pa+1=%x\n",pa,pa+1); printf("字符型指针变量的+运算:pch=%x pch+1=%x\n",pch,pch+1); return OK;}void prog7_1(){ char c1,c2,c3; printf("Input three characters:\n"); scanf("%c",&c1); scanf("%c",&c2); scanf("%c",&c3); printf("c1=%c\tASCII=%d\n",c1,c1); printf("c2=%c\tASCII=%d\n",c2,c2); printf("c3=%c\tASCII=%d\n",c3,c3); return OK;}int main(){ prog6_2(); return OK; prog7_1();}

Answer 1

我知道哪里出问题了0000000000000