remove redundant opt* declarations

#  define openssl_fdset(a,b) FD_SET(a, b)

# endif

# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && \

     defined(INTMAX_MAX) && defined(UINTMAX_MAX)

int opt_imax(const char *value, intmax_t *result);

int opt_umax(const char *value, uintmax_t *result);

# else

#  define opt_imax opt_long

#  define opt_umax opt_ulong

#  define intmax_t long

#  define uintmax_t unsigned long

# endif

/*

 * quick macro when you need to pass an unsigned char instead of a char.

 * this is true for some implementations of the is*() functions, for

char *opt_progname(const char *argv0);

char *opt_getprog(void);

char *opt_init(int ac, char **av, const OPTIONS * o);

int opt_next();

int opt_next(void);

int opt_format(const char *s, unsigned long flags, int *result);

int opt_int(const char *arg, int *result);

int opt_ulong(const char *arg, unsigned long *result);

    defined(INTMAX_MAX) && defined(UINTMAX_MAX)

int opt_imax(const char *arg, intmax_t *result);

int opt_umax(const char *arg, uintmax_t *result);

#else

# define opt_imax opt_long

# define opt_umax opt_ulong

# define intmax_t long

# define uintmax_t unsigned long

#endif

int opt_pair(const char *arg, const OPT_PAIR * pairs, int *result);

int opt_cipher(const char *name, const EVP_CIPHER **cipherp);

int opt_verify(int i, X509_VERIFY_PARAM *vpm);

void opt_help(const OPTIONS * list);

int opt_format_error(const char *s, unsigned long flags);

int opt_next(void);

typedef struct args_st {

    int size;