b0VIM 5.7      ,; `b  kms9938sys                              red0.knu.ac.kr                          ~kms9938sys/199928038_8.c                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          U3210#"! U                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     tp       5                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  	} 		} 			} 				write(1,buf,pd); 				read(pd,buf,BUFSIZ); 			if(FD_ISSET(0,&readfd){ 			select(Max,readfd,NULL,NULL,NULL); 			FD_SET(pd,&readfd); 			FD_ZERO(&readfd); 		while(1){ 		Max=Max>fd?Max:fd+1; 		char buf[BUFSIZ]; 		fd_set readfd; 		int max; 	{ 	void func(int pd) 	} 		} 			close(pd[1]); 			close(pd[0]); 			dup2(fd[1],STDOUT); 		else(fork()=0){ 		} 			close(pd[1]); 			close(pd[0]); 			dup2(fd[0],STDIN); 		if(fork()>0){ 	{ 	for(i=0;i<5;i++) 	close(fd[1]); 	close(fd[0]); 	dup2(fd[1],1); 	dup2(fd[0],0); 	} 		exit(1); 		perror("pipe call"); 	{ 	if(pipe(fd)==-1) 	int i; 	int id; 	pid_t pid; 	int fd[2]; { main()  }message; 	char buf[MAXBUF]; 	int IMP_ID; { typedef struct msg_struct #define BUFSIZ 512 #include<stdio.h> #include<unistd.h> 