Process Communication (Pipeline one-way communication)

 1  #include <stdio.h> 2#include<sys/wait.h> 3#include<unistd.h> 4# Include<string.h> 5#include<stdlib.h> 6int main ()  7 { 8     int pipefd[2]; 9    if (Pipe (PIPEFD) ==-1)  10     { 11     perror ("pipe"); 12     return  -1; 13    } 14   pid_t pid=fork (); 15    if (pid<0)  16    { 17      perror ("pid");  18      return -1; 19    } 20    else if (pid==0)  21    { 22        Close (pipefd[0]);  23       char buf[20]= "We are young";  24  &Nbsp;     int i=0; 25       while (i<  26     { 27       write (Pipefd[1], Buf,strlen (BUF));  28       sleep (1); 29        i++; 30     } 31      exit ( 1);  32    } 33   else 34    { 35      close (pipefd[1]); 36     char buf[200];  37     int j=0; 38     while (j<10)  39      { 40     memset (buf, ' n ', sizeof (BUF));  41      ssize_t size= read (pipefd[0],buf,sizeof (BUF)); 42        iF (size>0)  43       printf ("%s\n", buf); 44       j++; 45     } 46    if (Waitpid (PID, null,0) ==pid)  47    { 48       printf ("Wait  success\n "); 49     } 50    } 51    return 0; 52 }   Makefile: 1 Pipe:pipe.c 2          gcc -o [email protected] $^ 3.phony:clean  4clean: 5         rm -f pipe

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Process Communication (Pipeline one-way communication)