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230 lines
7.2 KiB
C
230 lines
7.2 KiB
C
/* $NetBSD: ntp_stdlib.h,v 1.5 2012/02/04 16:31:02 christos Exp $ */
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/*
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* ntp_stdlib.h - Prototypes for NTP lib.
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*/
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#ifndef NTP_STDLIB_H
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#define NTP_STDLIB_H
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#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#include "l_stdlib.h"
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#include "ntp_rfc2553.h"
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#include "ntp_types.h"
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#include "ntp_malloc.h"
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#include "ntp_string.h"
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#include "ntp_net.h"
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#include "ntp_syslog.h"
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/*
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* Handle gcc __attribute__ if available.
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*/
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#ifndef __attribute__
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/* This feature is available in gcc versions 2.5 and later. */
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# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || (defined(__STRICT_ANSI__))
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# define __attribute__(Spec) /* empty */
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# endif
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/* The __-protected variants of `format' and `printf' attributes
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are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
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# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
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# define __format__ format
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# define __printf__ printf
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# endif
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#endif
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extern int mprintf(const char *, ...)
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__attribute__((__format__(__printf__, 1, 2)));
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extern int mfprintf(FILE *, const char *, ...)
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__attribute__((__format__(__printf__, 2, 3)));
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extern int mvfprintf(FILE *, const char *, va_list)
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__attribute__((__format__(__printf__, 2, 0)));
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extern int mvsnprintf(char *, size_t, const char *, va_list)
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__attribute__((__format__(__printf__, 3, 0)));
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extern int msnprintf(char *, size_t, const char *, ...)
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__attribute__((__format__(__printf__, 3, 4)));
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extern void msyslog(int, const char *, ...)
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__attribute__((__format__(__printf__, 2, 3)));
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/*
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* When building without OpenSSL, use a few macros of theirs to
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* minimize source differences in NTP.
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*/
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#ifndef OPENSSL
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#define NID_md5 4 /* from openssl/objects.h */
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/* from openssl/evp.h */
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#define EVP_MAX_MD_SIZE 64 /* longest known is SHA512 */
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#endif
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/* authkeys.c */
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extern void auth_delkeys (void);
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extern int auth_havekey (keyid_t);
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extern int authdecrypt (keyid_t, u_int32 *, int, int);
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extern int authencrypt (keyid_t, u_int32 *, int);
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extern int authhavekey (keyid_t);
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extern int authistrusted (keyid_t);
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extern int authreadkeys (const char *);
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extern void authtrust (keyid_t, u_long);
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extern int authusekey (keyid_t, int, const u_char *);
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extern u_long calyearstart (u_long);
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extern const char *clockname (int);
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extern int clocktime (int, int, int, int, int, u_long, u_long *, u_int32 *);
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extern int ntp_getopt (int, char **, const char *);
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extern void init_auth (void);
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extern void init_lib (void);
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extern struct savekey *auth_findkey (keyid_t);
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extern int auth_moremem (void);
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extern int ymd2yd (int, int, int);
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/* a_md5encrypt.c */
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extern int MD5authdecrypt (int, u_char *, u_int32 *, int, int);
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extern int MD5authencrypt (int, u_char *, u_int32 *, int);
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extern void MD5auth_setkey (keyid_t, int, const u_char *, size_t);
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extern u_int32 addr2refid (sockaddr_u *);
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/* emalloc.c */
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#ifndef EREALLOC_CALLSITE /* ntp_malloc.h defines */
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extern void * ereallocz (void *, size_t, size_t, int);
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#define erealloczsite(p, n, o, z, f, l) ereallocz(p, n, o, (z))
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#define emalloc(n) ereallocz(NULL, n, 0, FALSE)
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#define emalloc_zero(c) ereallocz(NULL, (c), 0, TRUE)
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#define erealloc(p, c) ereallocz(p, (c), 0, FALSE)
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#define erealloc_zero(p, n, o) ereallocz(p, n, (o), TRUE)
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extern char * estrdup_impl (const char *);
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#define estrdup(s) estrdup_impl(s)
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#else
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extern void * ereallocz (void *, size_t, size_t, int,
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const char *, int);
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#define erealloczsite ereallocz
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#define emalloc(c) ereallocz(NULL, (c), 0, FALSE, \
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__FILE__, __LINE__)
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#define emalloc_zero(c) ereallocz(NULL, (c), 0, TRUE, \
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__FILE__, __LINE__)
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#define erealloc(p, c) ereallocz(p, (c), 0, FALSE, \
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__FILE__, __LINE__)
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#define erealloc_zero(p, n, o) ereallocz(p, n, (o), TRUE, \
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__FILE__, __LINE__)
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extern char * estrdup_impl (const char *, const char *, int);
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#define estrdup(s) estrdup_impl((s), __FILE__, __LINE__)
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#endif
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extern int atoint (const char *, long *);
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extern int atouint (const char *, u_long *);
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extern int hextoint (const char *, u_long *);
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extern const char * humanlogtime (void);
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extern char * inttoa (long);
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extern char * mfptoa (u_long, u_long, short);
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extern char * mfptoms (u_long, u_long, short);
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extern const char * modetoa (size_t);
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extern const char * eventstr (int);
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extern const char * ceventstr (int);
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extern char * statustoa (int, int);
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extern const char * sysstatstr (int);
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extern const char * peerstatstr (int);
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extern const char * clockstatstr (int);
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extern sockaddr_u * netof (sockaddr_u *);
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extern char * numtoa (u_int32);
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extern char * numtohost (u_int32);
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extern char * socktoa (const sockaddr_u *);
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extern char * socktohost (const sockaddr_u *);
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extern int octtoint (const char *, u_long *);
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extern u_long ranp2 (int);
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extern char * refnumtoa (sockaddr_u *);
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extern int tsftomsu (u_long, int);
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extern char * uinttoa (u_long);
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extern int decodenetnum (const char *, sockaddr_u *);
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extern const char * FindConfig (const char *);
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extern void signal_no_reset (int, RETSIGTYPE (*func)(int));
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extern void getauthkeys (const char *);
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extern void auth_agekeys (void);
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extern void rereadkeys (void);
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/*
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* Variable declarations for libntp.
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*/
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/*
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* Defined by any program.
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*/
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extern volatile int debug; /* debugging flag */
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/* authkeys.c */
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extern u_long authkeynotfound; /* keys not found */
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extern u_long authkeylookups; /* calls to lookup keys */
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extern u_long authnumkeys; /* number of active keys */
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extern u_long authkeyexpired; /* key lifetime expirations */
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extern u_long authkeyuncached; /* cache misses */
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extern u_long authencryptions; /* calls to encrypt */
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extern u_long authdecryptions; /* calls to decrypt */
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extern int authnumfreekeys;
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/*
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* The key cache. We cache the last key we looked at here.
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*/
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extern keyid_t cache_keyid; /* key identifier */
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extern u_char * cache_key; /* key pointer */
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extern int cache_type; /* key type */
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extern u_int cache_keylen; /* key length */
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/* getopt.c */
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extern char * ntp_optarg; /* global argument pointer */
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extern int ntp_optind; /* global argv index */
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/* lib_strbuf.c */
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extern int ipv4_works;
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extern int ipv6_works;
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/* machines.c */
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typedef void (*pset_tod_using)(const char *);
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extern pset_tod_using set_tod_using;
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/* ssl_init.c */
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#ifdef OPENSSL
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extern void ssl_init (void);
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extern void ssl_check_version (void);
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extern int ssl_init_done;
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#define INIT_SSL() \
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do { \
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if (!ssl_init_done) \
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ssl_init(); \
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} while (0)
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#else /* !OPENSSL follows */
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#define INIT_SSL() do {} while (0)
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#endif
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extern int keytype_from_text (const char *, size_t *);
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extern const char *keytype_name (int);
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extern char * getpass_keytype (int);
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/* lib/isc/win32/strerror.c
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*
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* To minimize Windows-specific changes to the rest of the NTP code,
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* particularly reference clocks, we hijack calls to strerror() to deal
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* with our mixture of error codes from the C runtime (open, write)
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* and Windows (sockets, serial ports). This is an ugly hack because
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* both use the lowest values differently, but particularly for ntpd,
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* it's not a problem.
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*/
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#ifdef NTP_REDEFINE_STRERROR
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#define strerror(e) ntp_strerror(e)
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extern char * ntp_strerror (int e);
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#endif
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/* systime.c */
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extern double sys_tick; /* adjtime() resolution */
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/* version.c */
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extern const char *Version; /* version declaration */
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#endif /* NTP_STDLIB_H */
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