25 lines
462 B
C
25 lines
462 B
C
#include <unistd.h>
|
|
#include <sys/wait.h>
|
|
|
|
int main() {
|
|
int fds1[2];
|
|
int fds2[2];
|
|
pipe(fds1);
|
|
pipe(fds2);
|
|
pid_t pid = fork();
|
|
if (pid == 0) {
|
|
dup2(fds1[0], STDIN_FILENO);
|
|
dup2(fds2[1], STDOUT_FILENO);
|
|
close(fds1[0]);
|
|
close(fds1[1]);
|
|
close(fds2[0]);
|
|
close(fds2[1]);
|
|
sleep(2);
|
|
return 0;
|
|
}
|
|
close(fds1[0]);
|
|
close(fds2[1]);
|
|
waitpid(pid, NULL, 0);
|
|
return 0;
|
|
}
|