题目内容:
对于如下C语言程序int main()
{
pid_t pid;
int x=1;
pid = fork();
if(pid==0)
printf("I am the child process, x=%d\n", ++x);
else
printf("I am the parent process, x=%d\n", --x);
}
在UNIX操作系统中正确编译链接后,其正确的运行结果是 A.I am the child process, x=2
B.I am the parent process, x=0
C.I am the parent process, x=2
D.I am the child process, x=0
参考答案:
答案解析: