-extern int32_t thiszone; /* seconds offset from gmt to local time */
-
-/*
- * True if "l" bytes of "var" were captured.
- *
- * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large
- * that "snapend - (l)" underflows.
- *
- * The check is for <= rather than < because "l" might be 0.
- */
-#define TTEST2(var, l) (snapend - (l) <= snapend && \
- (const u_char *)&(var) <= snapend - (l))
-
-/* True if "var" was captured */
-#define TTEST(var) TTEST2(var, sizeof(var))
-
-/* Bail if "l" bytes of "var" were not captured */
-#define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc
-
-/* Bail if "var" was not captured */
-#define TCHECK(var) TCHECK2(var, sizeof(var))
-
-extern void ts_print(const struct timeval *);
-extern void relts_print(int);
-
-extern int fn_print(const u_char *, const u_char *);
-extern int fn_printn(const u_char *, u_int, const u_char *);
-extern int fn_printzp(const u_char *, u_int, const u_char *);
-extern int mask2plen(u_int32_t);
-extern const char *tok2strary_internal(const char **, int, const char *, int);
-#define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i)
-
-extern const char *dnaddr_string(u_short);
-
-extern void error(const char *, ...)
- __attribute__((noreturn))
-#ifdef __ATTRIBUTE___FORMAT_OK
- __attribute__((format (printf, 1, 2)))
-#endif /* __ATTRIBUTE___FORMAT_OK */
- ;
-extern void warning(const char *, ...)
-#ifdef __ATTRIBUTE___FORMAT_OK
- __attribute__((format (printf, 1, 2)))
-#endif /* __ATTRIBUTE___FORMAT_OK */
- ;
-
-extern char *read_infile(char *);
-extern char *copy_argv(char **);
-
-extern const char *isonsap_string(const u_char *, register u_int);
-extern const char *protoid_string(const u_char *);
-extern const char *ipxsap_string(u_short);
-extern const char *dnname_string(u_short);
-extern const char *dnnum_string(u_short);
-
-/* checksum routines */
-extern void init_checksum(void);
-extern u_int16_t verify_crc10_cksum(u_int16_t, const u_char *, int);
-extern u_int16_t create_osi_cksum(const u_int8_t *, int, int);
-
-/* The printer routines. */
-