#include <stdio.h>
static int internalVar = 20; //λ΄λΆ μ°κ²°μ κ°μ§ λ³μ
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°Έμ‘°ν μ μμ
//extern int internalVar; // μ΄λ κ² νλ©΄ λ§ν¬ μ€λ₯ λ°μ
extern int internalVar;
extern void printInternalVar();
extern void modifyInternalVar(int value);
int main(){
printInternalVar(); //internalVar : 20
modifyInternalVar(50);
printInternalVar(); //internalVar : 50
return 0;
}