帮我结合下面实例讲解一下全局变量的变化？
#include"stdio.h"void f1(void);
int a=1;
main()
{
int a=2;
f1();
{
int a=3;
printf("a=%d\n",a);
}
printf("a=%d\",a);
}
void f1(void)
{
printf("a=%d\n",a);
}
2008-12-03 21:54
2008-12-03 22:35
