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#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <memory.h>
int main()
{
pid_t result;
int r_num;
int pipe_fd[2];
char buf_r[100];
memset(buf_r,0,sizeof(buf_r));
if(pipe(pipe_fd) <0){
printf("´´½¨¹ÜµÀʧ°Ü");
return -1;
}
result=fork();
if(result <0){
printf("´´½¨×Ó½ø³Ìʧ°Ü");
exit;
}
else if(result==0){
sleep(5);
close(pipe_fd[1]);
if((r_num=read(pipe_fd[0],buf_r,100))>0){
printf("×Ó½ø³Ì´Ó¹ÜµÀ¶ÁÈ¡%d¸ö×Ö·û,¶ÁÈ¡µÄ×Ö·û´®ÊÇ:%s\n",r_num,buf_r);
}
close(pipe_fd[0]);
exit(0);
}
else{
close(pipe_fd[0]);
if(write(pipe_fd[1],"µÚÒ»´®ÎÄ×Ö",10)!=-1)
printf("¸¸½ø³ÌÏò¹ÜµÀдÈë µÚÒ»´®×Ö·û !\n");
if(write(pipe_fd[1],"µÚ¶þ´®ÎÄ×Ö",10)!=-1)
printf("¸¸½ø³ÌÏò¹ÜµÀдÈë µÚ¶þ´®×Ö·û !\n");
close(pipe_fd[1]);
waitpid(result,NULL,0);
exit(0);
}
}
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#include<stdio.h>
#include<stdlib.h>
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