如果要求字符'a'在字符'b'和字符'c'之后输出，可如何实现？

Question

#include
#include
#include
int main(void)

{

if(fork()==0)
{

printf("c\n");
printf("pid:%d ppid:%d\n",getpid(),getppid());
}
else
{

if(fork()==0)
{

printf("b\n");
printf("pid:%d ppid:%d\n",getpid(),getppid());
}
else
{
printf("a\n");
printf("pid:%d ppid:%d\n",getpid(),getppid());
}

}

}

Answer 1

//附上整理后的代码
#include
#include
#include
int main(void)
{
if(fork()==0){
printf("c\n");
printf("pid:%d ppid:%d\n",getpid(),getppid());
}else{
if(fork()==0)
{
printf("b\n");
printf("pid:%d ppid:%d\n",getpid(),getppid());
}else{
printf("a\n");
printf("pid:%d ppid:%d\n",getpid(),getppid());
}
}
}