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./a.out aa bbb cccc d
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2345 : aa
2356 : bbb
2378 : cccc
2379 : d
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root@localhost usp_ch06]# gcc parentwritepipe.c
[root@localhost usp_ch06]# .a.out aaa bb vv
[3076] aaa
[3076] bb
[3076] vv
[root@localhost usp_ch06]# [3077] aaa
q
bash q command not found
[root@localhost usp_ch06]# .a.out aaa bb vv
[3079] aaa
[3079] bb
[3079] vv
[root@localhost usp_ch06]# [3080] aaa
q
bash q command not found
[root@localhost usp_ch06]#
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C/C++ code:
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#define BUFSIZE 10

int main(int argc,char *argv[])
{
int i=1;
int bytesin;
pid_t childpid;
int fd[2];
if (argc < 2)
{
fprintf(stderr,"Usage: %s command arg1 arg2 ...\n",argv[0]);
return 1;
}
if (pipe(fd) == -1)


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  struct hostent *hp; 
char AlarmDevIP[20];  
  int x2;

hp = gethostbyname("www.google.com");
if (hp)
{ ......

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#include "stdio.h"
int main()
{
  char *ch(char *, char *);
  char str1[]="I am glad to meet you!";
  char str2[]="Welcom to study C!";
&nb ......
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