Stuff

else if (i < (fork_num-1)) {//i is NOT the last command
      fprintf(stderr,"Middle case i = %d and command = [%s]\n", i,program_name );

      int pipeid2[2];
      if (pipe(pipeid2)==-1){
        perror("Failed piping middle pipe");
      }

      childpid = fork();

      if (childpid == 0 ) {
        if ((dup2(pipeid[0], 0) == -1 ) || (dup2(pipeid2[1],1)==-1))
          perror("Failed to redirect STDIN");
        else if ((close(pipeid[0]) == -1) || (close(pipeid2[1]) == -1) ) {
          perror("Failed at closing");
        }
        else {
          if (execvp(program_name,cmd_to_fork) == -1) {
            perror("Failure calling Middle executable");
          }
        }
        return 1;
      }

      wait(&status);
      if (WIFEXITED(status) != 1) {
        perror("child exit error");
      }
      close(pipeid[0]);
      close(pipeid2[1]);
    }