#include <libusb.h>
#include <stdio.h>
#include <malloc.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <libusb.h>

#ifdef HAVE_ERR
# include <err.h>
#else
# include <errno.h>
# include <string.h>
# define warnx(...) do {\
    fprintf(stderr, __VA_ARGS__);\
    fprintf(stderr, "\n"); } while (0)
# define errx(eval, ...) do {\
    warnx(__VA_ARGS__);\
    exit(eval); } while (0)
# define warn(...) do {\
    fprintf(stderr, "%s: ", strerror(errno));\
    warnx(__VA_ARGS__); } while (0)
# define err(eval, ...) do {\
    warn(__VA_ARGS__);\
    exit(eval); } while (0)
#endif /* HAVE_ERR */


#ifdef HAVE_SYSEXITS_H
# include <sysexits.h>
#else
# define EX_OK          0       /* successful termination */
# define EX_USAGE       64      /* command line usage error */
# define EX_SOFTWARE    70      /* internal software error */
# define EX_IOERR       74      /* input/output error */
#endif /* HAVE_SYSEXITS_H */