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while(s1

main() {char *p; p=\

fun(p,strlen(p)); puts(p); }

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void fun(int x); int main() {

int x = 3; fun(x);

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void fun(int x) {

x = 5; }

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void fun(int *p); int main() {

int x = 3; fun(&x);

printf(¡°x = %d\\n¡±, x); }

void fun(int *p) {

*p = 5; }

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return num; }

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