-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.
- *
- * We cast the pointers to uintptr_t to make sure that the compiler
- * doesn't optimize away any of these tests (which it is allowed to
- * do, as adding an integer to, or subtracting an integer from, a
- * pointer assumes that the pointer is a pointer to an element of an
- * array and that the result of the addition or subtraction yields a
- * pointer to another member of the array, so that, for example, if
- * you subtract a positive integer from a pointer, the result is
- * guaranteed to be less than the original pointer value). See
- *
- * http://www.kb.cert.org/vuls/id/162289
- */
-#define TTEST2(var, l) \
- ((uintptr_t)snapend - (l) <= (uintptr_t)snapend && \
- (uintptr_t)&(var) <= (uintptr_t)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 int mask2plen(uint32_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 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 *dnname_string(u_short);
-extern const char *dnnum_string(u_short);
-
-/* checksum routines */
-extern void init_checksum(void);
-extern uint16_t verify_crc10_cksum(uint16_t, const u_char *, int);
-extern uint16_t create_osi_cksum(const uint8_t *, int, int);
-
-/* The printer routines. */
-