■プログラム
#include <stdio.h>
int g=5;
void func(void){
int a = 2;
printf("func:a=%d\n",a);
printf("func:g=%d\n",g);
g=10;
}
int main(void){
int a = 3;
printf("main:a=%d\n",a);
printf("main(1):g=%d\n",g);
func();
printf("main(2):g=%d\n",g);
}
■実行結果
C:\myc>helloscope.exe
main:a=3
main(1):g=5
func:a=2
func:g=5
main(2):g=10