processline

void processline (char *line, int inFD, int outFD, plFlags FLAGS) //, int mainargc, char **mainargv, char **shiftedMArgV)
{
    int    status;
    char expanded_line[EXPANDEDLEN];
    char **args;
    char *line_itr = line;
    int command_count;
    int pix;
    int fd_a[2];
    int fd_b[2];
    int line_len = strlen(line);
    plFlags pl_flags = {0U, 0U, 0U};

    if(FLAGS.EXPAND)
    {
        if(expand(line, expanded_line, EXPANDEDLEN)) return; //, mainargc, mainargv, shiftedMArgV)) return;
        line_itr = expanded_line;
        line_len = strlen(expanded_line);
    }

    if((pix = findUnquotChar(line_itr, '|')))
    {
        line_itr[pix++] = 0;
        if(pipe (fd_a) < 0) perror("pipe");
        processline(line_itr, inFD, fd_a[1], pl_flags);
        line_itr = &(line_itr[pix]);

        while((pix = findUnquotChar(line_itr, '|')) && pix < line_len)
        {
            close(fd_a[1]);
            line_itr[pix++] = 0;
            if(pipe (fd_b) < 0) perror("pipe");
            processline(line_itr, fd_a[0], fd_b[1] pl_flags);
            close(fd_a[0]);
            close(fd_b[1]);
            line_itr = &(line_itr[pix]);
        }
        return;
    }

    command_count = arg_parse(expanded_line, &args);
    /* print_args(args); */

    if(!command_count) return;

    if(!exec_if_built_in(args, outFD))
    {
        /* Start a new process to do the job. */
        cpid = fork();
        if (cpid < 0) {
            perror ("fork");
            free(args);
            return;
        }

        /* Check for who we are! */
        if (cpid == 0) {
          /* We are the child! */

            /* Turning stdout into pipe output if needed */
            if((dup2(outFD, 1)) < 0)
            {
                perror("dup");
                return;
            }

            execvp(args[0], args);
            perror ("exec");
            exit (127);
            last_exit_status = 127;
        }

        /* Have the parent wait for child to complete */
        if(FLAGS.WAIT)
        {
            if(wait(&status) < 0) perror("wait");
            last_exit_status = ((WEXITSTATUS(status) || !WIFEXITED(status)) ? 127 : 0);
        }
    }

    free(args);
}