#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <sys/wait.h>

int main(void) {
	int status, pipedes[2],length;
	char msg[80];
	struct stat pipestat;

	if (pipe(pipedes))
		exit(1);   /* initialisation du pipe */

	if (fork()) { /* code du père */
		close(pipedes[1]);  /* fermeture du pipe en écriture */

		if (dup2(pipedes[0], 0) == -1)
			exit(1);
		close(pipedes[0]);

		length = read(0, msg, sizeof(msg));
		msg[length]=0;
		printf("got %s\n",msg);
		wait(&status);
		return 0;

	} else { /* code du fils */

		close(pipedes[0]);  /* fermeture du pipe en lecture */
		if (dup2(pipedes[1], 1) == -1)
			exit(1);
		close(pipedes[1]);

		//execl("./pipe3_fils","pipe3_fils",0);
		write(1, "lolz\n", 5);
		return 0;
	}

}