전역변수 값 전달

#include <stdio.h>
#include <string.h>

int result =10; //전역변수
int mul(int a, int b){
  int result;
  result =a *b;
  return result;
  
}
void main(){
  mul(5,6);
  printf("%d",result);
}

 

#include <stdio.h>
#include <string.h>

int result =10; //전역변수
int mul(int a, int b){
  int result;
  result =a *b;
  return result;
  
}
void main(){
  result=mul(5,6);
  printf("%d",result);
}