读书笔记之linux/unix系统编程手册(26)_kyowill的博客

int main(int argc, char* argv[])
{

	printf("hello world\n");
	write(STDOUT_FILENO, "Ciao\n", 5);
	int pid = fork();
	if(pid == -1)
	{
		exit(0);
	}else if(pid > 0)
	{
		int cid = wait(NULL);
		printf("cid:%d\n", cid);

	}else
	{
		int cid = wait(NULL);
		printf("cid:%d\n", cid);
		//_exit(0);

	}
	//both parent and children do below

	return 0;
}int main(int argc, char* argv[])
{

	printf("he