#include <stdio.h>
int main() {
double num= 3.14;
double *ptr = #
double **dptr = &ptr;
double *ptr2;
printf("%9p %9p \n", ptr, *dptr);
printf("%9g %9g \n", num, **dptr);
ptr2 = *dptr; // ptr2 = ptr 과 같은 문장
*ptr2 = 10.99;
printf("%9g %9g \n", num, **dptr);
return 0;
}
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