#include <stdio.h>#include <stdlib.h>#include <string.h>#include <unistd.h>#include "serial.h"#include "error.h"#include "remote.h"char *serialdev = "/dev/term/b";speed_t speed = B230400;int verbose = 0;intmain(int ac, char **av){    int c, sfd;    if ((pname = strrchr(av[0], '/')) == NULL)	pname = av[0];    else	pname++;    while ((c = getopt(ac, av, "b:p:v")) != EOF)	switch (c) {	case 'b':	    if ((speed = cvtspeed(optarg)) == B0)		Error("can't decode baud rate specified in -b option");	    break;	case 'p':	    serialdev = optarg;	    break;	case 'v':	    verbose = 1;	    break;	default:	usage:	    fprintf(stderr, "Usage: %s [-b bps] [-p dev] [-v]\n", pname);	    exit(1);	}    if (optind != ac)	goto usage;    if (verbose)	fprintf(stderr, "Opening serial port and sending continue...\n");    if ((sfd = serialopen(serialdev, speed)) < 0)	Perror("open of serial device '%s' failed", serialdev);    remote_desc = sfd;    remote_reset();    remote_continue();    if (serialclose(sfd) < 0)	Perror("close of serial device '%s' failed", serialdev);    if (verbose)	fprintf(stderr, "Done.\n");    return (0);}