#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>

int main(int argc, char **argv[]) {
    pid_t process_1;
    pid_t process_2;
    int fisier;
    int pipe_1[2];
    int pipe_2[2];

    if(-1 == pipe(pipe_1))  {
        perror("Eroare la pipe!");
        return -1;
    }

    process_1 = fork();

    if(-1 == process_1){
        perror("Eroare la fork!");
        return -2;
    }
    else
        if(process_1 != 0) {

            if(-1 == pipe(pipe_2)) {
                perror("Eroare la pipe!");
                return -3;
            }

            process_2 = fork();

            if(process_2 == -1) {
                perror("Eroare la fork!");
            }

            if(process_2 != 0) {
                wait(NULL);
            } else if(process_2 == 0) {
                 execl("/bin/wc", "wc", "-l", "p3.c" , NULL);
            }

        }
        if(process_1 == 0) {
            execl("/bin/wc", "wc", "-w", "p3.c" , NULL);
        }
}