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#include <stdio.h>
static int internalVar = 20; // λ΄λΆ μ°κ²°μ κ°μ§ λ³μμ
void printInternalVar() {
printf("internalVar = %d\n", internalVar);
}
void modifyInternalVar(int value) {
internalVar = value;
}
int main() {
printf("main_internalVar = %d\n", internalVar);
internalVar = 300;
printf("main_internalVar = %d\n", internalVar);
return 0;
}
#include <stdio.h>
// μΈλΆ νμΌμμ λ΄λΆ μ°κ²° λ³μλ₯Ό μ§μ μ°Έκ³ ν μ μμ
// extern int internal; // μ΄λ κ² νλ©΄ λ§ν¬ μ€λ₯ λ°μμ
extern void printInternalVar();
extern void modifyInternalVar(int value);
// int main() {
// printInternalVar(); // internalVar : 20
// modifyInternalVar(50);
// printInternalVar(); // internalVar : 50z
// return 0;
// }
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