#include <stdio.h>
void doA(int *i){
*i = 3;
}
void doB(int *i){
*i = 4;
}
void doC(int *i){
*i = 5;
}
int main(void) {
int i = 1;
switch(i){
case 1:
doA(&i);
case 2:
doB(&i);
default:
doC(&i);
break;
}
return 0;
}
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