mirror of
https://github.com/riba2534/TCP-IP-NetworkNote.git
synced 2026-02-03 10:03:17 +08:00
29 lines
619 B
C
29 lines
619 B
C
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#define BUF_SIZE 30
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int fds1[2], fds2[2];
|
|
char str1[] = "Who are you?";
|
|
char str2[] = "Thank you for your message";
|
|
char buf[BUF_SIZE];
|
|
pid_t pid;
|
|
|
|
pipe(fds1), pipe(fds2);
|
|
pid = fork();
|
|
if (pid == 0)
|
|
{
|
|
write(fds1[1], str1, sizeof(str1));
|
|
read(fds2[0], buf, BUF_SIZE);
|
|
printf("Child proc output: %s \n", buf);
|
|
}
|
|
else
|
|
{
|
|
read(fds1[0], buf, BUF_SIZE);
|
|
printf("Parent proc output: %s \n", buf);
|
|
write(fds2[1], str2, sizeof(str2));
|
|
}
|
|
return 0;
|
|
}
|