#include <stdio.h>
void main(){
    int a=10;
    int b;
    int *c=&b;
    b = a++;
    b += 10;
    printf("a=%d\n", a);  //a=10 출력
    printf("b=%d\n", b);  //b=a++=10, b+=10=10+10=20  b=20 출력
    printf("c=%d\n", *c); //*c=&b니까, c=20 출력
}

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