Adding upstream version 2.9.0dev.12.upstream/2.9.0dev.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 577 insertions, 0 deletions

diff --git a/src/LYUtils.h b/src/LYUtils.h
new file mode 100644
index 0000000..d15a816
--- /dev/null
+++ b/src/LYUtils.h
@@ -0,0 +1,577 @@
+/* $LynxId: LYUtils.h,v 1.100 2018/03/27 21:19:21 tom Exp $ */
+#ifndef LYUTILS_H
+#define LYUTILS_H
+
+#include <LYCharVals.h>		/* S/390 -- gil -- 2149 */
+#include <LYKeymap.h>
+
+#ifndef HTLIST_H
+#include <HTList.h>
+#endif /* HTLIST_H */
+
+#ifndef HTSTREAM_H
+#include <HTStream.h>
+#endif /* HTSTREAM_H */
+
+#ifdef VMS
+#include <HTFTP.h>
+#include <HTVMSUtils.h>
+#endif /* VMS */
+
+#if defined(USE_DOS_DRIVES)
+#include <HTDOS.h>
+#endif
+
+#if defined(SYSLOG_REQUESTED_URLS)
+#include <syslog.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef VMS
+#define HTSYS_name(path)   HTVMS_name("", path)
+#define HTSYS_purge(path)  HTVMS_purge(path)
+#define HTSYS_remove(path) HTVMS_remove(path)
+#endif				/* VMS */
+
+#if defined(USE_DOS_DRIVES)
+#define HTSYS_name(path) HTDOS_name(path)
+#endif
+
+#ifndef HTSYS_name
+#define HTSYS_name(path) path
+#endif
+
+#ifndef HTSYS_purge
+#define HTSYS_purge(path)	/* nothing */
+#endif
+
+#ifndef HTSYS_remove
+#define HTSYS_remove(path) remove(path)
+#endif
+
+#define LYIsPipeCommand(s) ((s)[0] == '|')
+
+#ifdef VMS
+#define TTY_DEVICE "tt:"
+#define NUL_DEVICE "nl:"
+#define LYIsNullDevice(s) (!strncasecomp(s, "nl:", 3) || !strncasecomp(s, "/nl/", 4))
+#define LYSameFilename(a,b) (!strcasecomp(a,b))
+#define LYSameHostname(a,b) (!strcasecomp(a,b))
+#else
+#if defined(DOSPATH) || defined(__EMX__)
+#define TTY_DEVICE "con"
+#define NUL_DEVICE "nul"
+#define LYIsNullDevice(s) LYSameFilename(s,NUL_DEVICE)
+#define LYSameFilename(a,b) (!strcasecomp(a,b))
+#define LYSameHostname(a,b) (!strcasecomp(a,b))
+#else
+#if defined(__CYGWIN__)
+#define TTY_DEVICE "/dev/tty"
+#define NUL_DEVICE "/dev/null"
+#define LYIsNullDevice(s) LYSameFilename(s,NUL_DEVICE)
+#define LYSameFilename(a,b) (!strcasecomp(a,b))
+#define LYSameHostname(a,b) (!strcasecomp(a,b))
+#else
+#define TTY_DEVICE "/dev/tty"
+#define NUL_DEVICE "/dev/null"
+#define LYIsNullDevice(s) LYSameFilename(s,NUL_DEVICE)
+#define LYSameFilename(a,b) (!strcmp(a,b))
+#define LYSameHostname(a,b) (!strcmp(a,b))
+#endif				/* __CYGWIN__ */
+#endif				/* DOSPATH */
+#endif				/* VMS */
+
+/* See definitions in src/LYCharVals.h.  The hardcoded values...
+   This prohibits binding C-c and C-g.  Maybe it is better to remove this? */
+#define LYCharIsINTERRUPT_HARD(ch)	\
+  ((ch) == LYCharINTERRUPT1 || ch == LYCharINTERRUPT2)
+
+#define LYCharIsINTERRUPT(ch)		\
+  (LYCharIsINTERRUPT_HARD(ch) || LKC_TO_LAC(keymap,ch) == LYK_INTERRUPT)
+
+#define LYCharIsINTERRUPT_NO_letter(ch)	\
+  (LYCharIsINTERRUPT(ch) && !isprint(ch))
+
+#if defined(USE_DOS_DRIVES)
+#define PATH_SEPARATOR ";"
+#define FILE_SEPARATOR "\\"
+#define LYIsPathSep(ch) ((ch) == '/' || (ch) == '\\')
+#define LYIsDosDrive(s) (isalpha(UCH((s)[0])) && (s)[1] == ':')
+#else
+#define PATH_SEPARATOR ":"
+#define FILE_SEPARATOR "/"
+#define LYIsPathSep(ch) ((ch) == '/')
+#define LYIsDosDrive(s) FALSE	/* really nothing */
+#endif
+
+#ifdef USE_ADDRLIST_PAGE
+#define LYIsListpageTitle(name) \
+    (!strcmp((name), LIST_PAGE_TITLE) || \
+     !strcmp((name), ADDRLIST_PAGE_TITLE))
+#else
+#define LYIsListpageTitle(name) \
+    (!strcmp((name), LIST_PAGE_TITLE))
+#endif
+
+#define LYIsTilde(ch)     ((ch) == '~')
+#define LYIsHtmlSep(ch) ((ch) == '/')
+#define findPoundSelector(address) StrChr(address, '#')
+#define restorePoundSelector(pound) if ((pound) != NULL) *(pound) = '#'
+
+    extern BOOL strn_dash_equ(const char *p1, const char *p2, int len);
+    extern BOOLEAN LYCachedTemp(char *result, char **cached);
+    extern BOOLEAN LYCanDoHEAD(const char *address);
+    extern BOOLEAN LYCanReadFile(const char *name);
+    extern BOOLEAN LYCanWriteFile(const char *name);
+    extern BOOLEAN LYCloseInput(FILE *fp);
+    extern BOOLEAN LYCloseOutput(FILE *fp);
+    extern BOOLEAN LYFixCursesOnForAccess(const char *addr, const char *physical);
+    extern BOOLEAN LYPathOffHomeOK(char *fbuffer, size_t fbuffer_size);
+    extern BOOLEAN LYValidateFilename(bstring **result, bstring **given);
+    extern BOOLEAN LYisAbsPath(const char *path);
+    extern BOOLEAN LYisLocalAlias(const char *filename);
+    extern BOOLEAN LYisLocalFile(const char *filename);
+    extern BOOLEAN LYisLocalHost(const char *filename);
+    extern BOOLEAN LYisRootPath(const char *path);
+    extern BOOLEAN inlocaldomain(void);
+    extern FILE *InternalPageFP(char *filename, int reuse_flag);
+    extern FILE *LYAppendToTxtFile(const char *name);
+    extern FILE *LYNewBinFile(const char *name);
+    extern FILE *LYNewTxtFile(const char *name);
+    extern FILE *LYOpenScratch(char *result, const char *prefix);
+    extern FILE *LYOpenTemp(char *result, const char *suffix, const char *mode);
+    extern FILE *LYOpenTempRewrite(char *result, const char *suffix, const char *mode);
+    extern FILE *LYReopenTemp(char *name);
+    extern char *Current_Dir(char *pathname);
+    extern char *LYAbsOrHomePath(char **fname);
+    extern char *LYAddPathToSave(char *fname);
+    extern char *LYFindConfigFile(const char *nominal, const char *dftfile);
+    extern char *LYGetEnv(const char *name);
+    extern char *LYLastPathSep(const char *path);
+    extern char *LYPathLeaf(char *pathname);
+    extern char *LYTildeExpand(char **pathname, int embedded);
+    extern char *LYgetXDisplay(void);
+    extern char *strip_trailing_slash(char *my_dirname);
+    extern char *trimPoundSelector(char *address);
+    extern const char *Home_Dir(void);
+    extern const char *LYGetHiliteStr(int cur, int count);
+    extern const char *LYSysShell(void);
+    extern const char *index_to_restriction(unsigned inx);
+    extern const char *wwwName(const char *pathname);
+    extern int HTCheckForInterrupt(void);
+    extern int LYConsoleInputFD(int need_selectable);
+    extern int LYRenameFile(char *src, char *dst);
+    extern int LYCopyFile(char *src, char *dst);
+    extern int LYGetHilitePos(int cur, int count);
+    extern int LYRemoveTemp(char *name);
+    extern int LYReopenInput(void);
+    extern int LYSystem(char *command);
+    extern int LYValidateOutput(char *filename);
+    extern int find_restriction(const char *name, int len);
+    extern int number2arrows(int number);
+    extern size_t utf8_length(int utf_flag, const char *data);
+    extern time_t LYmktime(char *string, int absolute);
+    extern void BeginInternalPage(FILE *fp0, const char *Title, const char *HelpURL);
+    extern void EndInternalPage(FILE *fp0);
+    extern void HTAddSugFilename(char *fname);
+    extern void HTSugFilenames_free(void);
+    extern void LYAddHilite(int cur, char *text, int x);
+    extern void LYAddHtmlSep(char **path);
+    extern void LYAddHtmlSep0(char *path);
+    extern void LYAddLocalhostAlias(char *alias);
+    extern void LYAddPathSep(char **path);
+    extern void LYAddPathSep0(char *path);
+    extern void LYAddPathToHome(char *fbuffer, size_t fbuffer_size, const char *fname);
+    extern void LYCheckBibHost(void);
+    extern void LYCheckMail(void);
+    extern void LYCleanupTemp(void);
+    extern void LYCloseTemp(char *name);
+    extern void LYCloseTempFP(FILE *fp);
+    extern void LYConvertToURL(char **AllocatedString, int fixit);
+    extern void LYDoCSI(char *url, const char *comment, char **csi);
+    extern void LYEnsureAbsoluteURL(char **href, const char *name, int fixit);
+    extern void LYFakeZap(int set);
+    extern void LYFixCursesOn(const char *reason);
+    extern void LYFreeHilites(int first, int last);
+    extern void LYFreeStringList(HTList *list);
+    extern void LYLocalFileToURL(char **target, const char *source);
+    extern void LYLocalhostAliases_free(void);
+    extern void LYRenamedTemp(char *oldname, char *newname);
+    extern void LYSetHilite(int cur, const char *text);
+    extern void LYTrimHtmlSep(char *path);
+    extern void LYTrimPathSep(char *path);
+    extern void LYTrimRelFromAbsPath(char *path);
+    extern void LYhighlight(int flag, int cur, const char *target);
+    extern void LYmsec_delay(unsigned msec);
+    extern void LYsetXDisplay(char *new_display);
+    extern void WriteInternalTitle(FILE *fp0, const char *Title);
+    extern void WriteStreamTitle(HTStream *target, const char *Title);
+    extern void change_sug_filename(char *fname);
+    extern void convert_to_spaces(char *string, int condense);
+    extern void free_and_clear(char **obj);
+    extern void noviceline(int more_flag);
+    extern void parse_restrictions(const char *s);
+    extern void print_restrictions_to_fd(FILE *fp);
+    extern void remove_backslashes(char *buf);
+    extern void size_change(int sig);
+    extern void statusline(const char *text);
+    extern void toggle_novice_line(void);
+
+#if defined(MULTI_USER_UNIX)
+    extern BOOL IsOurFile(const char *name);
+#else
+#define IsOurFile(name) TRUE
+#endif
+
+#ifdef USE_ASCII_CTYPES
+    extern int ascii_tolower(int i);
+    extern int ascii_toupper(int i);
+    extern int ascii_isupper(int i);
+#endif
+
+#ifdef __CYGWIN__
+    extern int Cygwin_Shell(void);
+#endif
+
+#if defined(_WIN_CC) || defined(WIN_EX)
+    extern int exec_command(char *cmd, int wait_flag);	/* xsystem.c */
+    extern char *quote_pathname(char *pathname);
+    extern int xsystem(char *cmd);
+#endif
+
+    /* Keeping track of User Interface Pages: */
+    typedef enum {
+	UIP_UNKNOWN = -1
+	,UIP_HISTORY = 0
+	,UIP_DOWNLOAD_OPTIONS
+	,UIP_PRINT_OPTIONS
+	,UIP_SHOWINFO
+	,UIP_LIST_PAGE
+	,UIP_VLINKS
+	,UIP_LYNXCFG
+	,UIP_OPTIONS_MENU
+	,UIP_DIRED_MENU
+	,UIP_PERMIT_OPTIONS
+	,UIP_UPLOAD_OPTIONS
+	,UIP_ADDRLIST_PAGE
+	,UIP_CONFIG_DEF
+	,UIP_TRACELOG
+	,UIP_INSTALL
+    } UIP_t;
+
+#define UIP_P_FRAG 0x0001	/* flag: consider "url#frag" as matching "url" */
+
+    extern BOOL LYIsUIPage3(const char *url, UIP_t type, int flagparam);
+
+#define LYIsUIPage(url,type) LYIsUIPage3(url, type, UIP_P_FRAG)
+    extern void LYRegisterUIPage(const char *url, UIP_t type);
+
+#define LYUnRegisterUIPage(type) LYRegisterUIPage(NULL, type)
+    extern void LYUIPages_free(void);
+
+#ifdef CAN_CUT_AND_PASTE
+    extern int put_clip(const char *szBuffer);
+
+/* get_clip_grab() returns a pointer to the string in the system area.
+   get_clip_release() should be called ASAP after this. */
+    extern char *get_clip_grab(void);
+    extern void get_clip_release(void);
+
+#  ifdef WIN_EX
+#    define size_clip()	8192
+#  else
+    extern int size_clip(void);
+
+#  endif
+#endif
+
+#if defined(WIN_EX)		/* 1997/10/16 (Thu) 20:13:28 */
+    extern char *HTDOS_short_name(const char *path);
+    extern char *w32_strerror(DWORD ercode);
+#endif
+
+#if defined(WIN_EX) || defined(__CYGWIN__)	/* 2000/03/07 (Tue) 17:17:46 */
+    extern int unsafe_filename(const char *fname);
+    extern FILE *safe_fopen(const char *fname, const char *mode);
+#endif
+
+#ifdef VMS
+    extern void Define_VMSLogical(char *LogicalName, char *LogicalValue);
+#endif				/* VMS */
+
+#if !defined(HAVE_PUTENV)
+    extern int putenv(const char *string);
+#endif				/* HAVE_PUTENV */
+
+#if defined(MULTI_USER_UNIX)
+    extern void LYRelaxFilePermissions(const char *name);
+
+#else
+#define LYRelaxFilePermissions(name)	/* nothing */
+#endif
+
+#if defined(_WINDOWS)
+    extern int win32_check_interrupt(void);
+
+#if (defined(__MINGW32__) && !defined(HAVE_SLEEP))
+#undef sleep
+    void sleep(unsigned sec);
+#endif
+#endif
+
+    /*
+     * Whether or not the status line must be shown.
+     */
+    extern BOOLEAN mustshow;
+
+#define _statusline(msg)	mustshow = TRUE, statusline(msg)
+
+    /*
+     * For is_url().
+     *
+     * Universal document id types (see LYCheckForProxyURL)
+     */
+    typedef enum {
+	NOT_A_URL_TYPE = 0,
+	UNKNOWN_URL_TYPE = 1,	/* must be nonzero */
+
+	HTTP_URL_TYPE,
+	FILE_URL_TYPE,
+	FTP_URL_TYPE,
+	NCFTP_URL_TYPE,
+	WAIS_URL_TYPE,
+	NEWS_URL_TYPE,
+	NNTP_URL_TYPE,
+	TELNET_URL_TYPE,
+	TN3270_URL_TYPE,
+	RLOGIN_URL_TYPE,
+	GOPHER_URL_TYPE,
+	HTML_GOPHER_URL_TYPE,
+	TELNET_GOPHER_URL_TYPE,
+	INDEX_GOPHER_URL_TYPE,
+	MAILTO_URL_TYPE,
+	BIBP_URL_TYPE,
+	FINGER_URL_TYPE,
+	CSO_URL_TYPE,
+	HTTPS_URL_TYPE,
+	SNEWS_URL_TYPE,
+	PROSPERO_URL_TYPE,
+	AFS_URL_TYPE,
+
+	DATA_URL_TYPE,
+
+	LYNXCGI_URL_TYPE,
+	LYNXEXEC_URL_TYPE,
+	LYNXPROG_URL_TYPE,
+
+	NEWSPOST_URL_TYPE,
+	NEWSREPLY_URL_TYPE,
+	SNEWSPOST_URL_TYPE,
+	SNEWSREPLY_URL_TYPE,
+
+	LYNXCACHE_URL_TYPE,
+	LYNXCFG_URL_TYPE,
+	LYNXCOMPILE_OPTS_URL_TYPE,
+	LYNXCOOKIE_URL_TYPE,
+	LYNXDIRED_URL_TYPE,
+	LYNXDOWNLOAD_URL_TYPE,
+	LYNXEDITMAP_URL_TYPE,
+	LYNXHIST_URL_TYPE,
+	LYNXIMGMAP_URL_TYPE,
+	LYNXKEYMAP_URL_TYPE,
+	LYNXMESSAGES_URL_TYPE,
+	LYNXOPTIONS_URL_TYPE,
+	LYNXPRINT_URL_TYPE,
+
+	PROXY_URL_TYPE
+
+    } UrlTypes;
+
+    extern UrlTypes LYCheckForProxyURL(char *filename);
+    extern UrlTypes is_url(char *filename);
+
+/* common URLs */
+#define STR_BIBP_URL         "bibp:"
+#define LEN_BIBP_URL         5
+#define isBIBP_URL(addr)     !strncasecomp(addr, STR_BIBP_URL, LEN_BIBP_URL)
+
+#define STR_CSO_URL          "cso:"
+#define LEN_CSO_URL          4
+#define isCSO_URL(addr)      !strncasecomp(addr, STR_CSO_URL, LEN_CSO_URL)
+
+#define STR_FILE_URL         "file:"
+#define LEN_FILE_URL         5
+#define isFILE_URL(addr)     ((*addr == 'f' || *addr == 'F') &&\
+                             !strncasecomp(addr, STR_FILE_URL, LEN_FILE_URL))
+
+#define STR_FINGER_URL       "finger:"
+#define LEN_FINGER_URL       7
+#define isFINGER_URL(addr)   !strncasecomp(addr, STR_FINGER_URL, LEN_FINGER_URL)
+
+#define STR_FTP_URL          "ftp:"
+#define LEN_FTP_URL          4
+#define isFTP_URL(addr)      !strncasecomp(addr, STR_FTP_URL, LEN_FTP_URL)
+
+#define STR_GOPHER_URL       "gopher:"
+#define LEN_GOPHER_URL       7
+#define isGOPHER_URL(addr)   !strncasecomp(addr, STR_GOPHER_URL, LEN_GOPHER_URL)
+
+#define STR_HTTP_URL         "http:"
+#define LEN_HTTP_URL         5
+#define isHTTP_URL(addr)     !strncasecomp(addr, STR_HTTP_URL, LEN_HTTP_URL)
+
+#define STR_HTTPS_URL        "https:"
+#define LEN_HTTPS_URL        6
+#define isHTTPS_URL(addr)    !strncasecomp(addr, STR_HTTPS_URL, LEN_HTTPS_URL)
+
+#define STR_MAILTO_URL       "mailto:"
+#define LEN_MAILTO_URL       7
+#define isMAILTO_URL(addr)   !strncasecomp(addr, STR_MAILTO_URL, LEN_MAILTO_URL)
+
+#define STR_NEWS_URL         "news:"
+#define LEN_NEWS_URL         5
+#define isNEWS_URL(addr)     !strncasecomp(addr, STR_NEWS_URL, LEN_NEWS_URL)
+
+#define STR_NNTP_URL         "nntp:"
+#define LEN_NNTP_URL         5
+#define isNNTP_URL(addr)     !strncasecomp(addr, STR_NNTP_URL, LEN_NNTP_URL)
+
+#define STR_RLOGIN_URL       "rlogin:"
+#define LEN_RLOGIN_URL       7
+#define isRLOGIN_URL(addr)   !strncasecomp(addr, STR_RLOGIN_URL, LEN_RLOGIN_URL)
+
+#define STR_SNEWS_URL        "snews:"
+#define LEN_SNEWS_URL        6
+#define isSNEWS_URL(addr)    !strncasecomp(addr, STR_SNEWS_URL, LEN_SNEWS_URL)
+
+#define STR_TELNET_URL       "telnet:"
+#define LEN_TELNET_URL       7
+#define isTELNET_URL(addr)   !strncasecomp(addr, STR_TELNET_URL, LEN_TELNET_URL)
+
+#define STR_TN3270_URL       "tn3270:"
+#define LEN_TN3270_URL       7
+#define isTN3270_URL(addr)   !strncasecomp(addr, STR_TN3270_URL, LEN_TN3270_URL)
+
+#define STR_WAIS_URL         "wais:"
+#define LEN_WAIS_URL         5
+#define isWAIS_URL(addr)     !strncasecomp(addr, STR_WAIS_URL, LEN_WAIS_URL)
+
+/* internal URLs */
+#ifdef USE_CACHEJAR
+#define STR_LYNXCACHE        "LYNXCACHE:"
+#define LEN_LYNXCACHE        10
+#define isLYNXCACHE(addr)    !strncasecomp(addr, STR_LYNXCACHE, LEN_LYNXCACHE)
+#else
+#define isLYNXCACHE(addr)    FALSE
+#endif
+
+#define STR_LYNXCFG          "LYNXCFG:"
+#define LEN_LYNXCFG          8
+#define isLYNXCFG(addr)      !strncasecomp(addr, STR_LYNXCFG, LEN_LYNXCFG)
+
+#define STR_LYNXCFLAGS       "LYNXCOMPILEOPTS:"
+#define LEN_LYNXCFLAGS       16
+#define isLYNXCFLAGS(addr)   !strncasecomp(addr, STR_LYNXCFLAGS, LEN_LYNXCFLAGS)
+
+#define STR_LYNXCGI          "lynxcgi:"
+#define LEN_LYNXCGI          8
+#define isLYNXCGI(addr)      ((*addr == 'l' || *addr == 'L') &&\
+                             !strncasecomp(addr, STR_LYNXCGI, LEN_LYNXCGI))
+
+#define STR_LYNXCOOKIE       "LYNXCOOKIE:"
+#define LEN_LYNXCOOKIE       11
+#define isLYNXCOOKIE(addr)   !strncasecomp(addr, STR_LYNXCOOKIE, LEN_LYNXCOOKIE)
+
+#define STR_LYNXDIRED        "LYNXDIRED:"
+#define LEN_LYNXDIRED        10
+#define isLYNXDIRED(addr)    !strncasecomp(addr, STR_LYNXDIRED, LEN_LYNXDIRED)
+
+#define STR_LYNXEXEC         "lynxexec:"
+#define LEN_LYNXEXEC         9
+#define isLYNXEXEC(addr)     ((*addr == 'l' || *addr == 'L') &&\
+                             !strncasecomp(addr, STR_LYNXEXEC, LEN_LYNXEXEC))
+
+#define STR_LYNXDOWNLOAD     "LYNXDOWNLOAD:"
+#define LEN_LYNXDOWNLOAD     13
+#define isLYNXDOWNLOAD(addr) !strncasecomp(addr, STR_LYNXDOWNLOAD, LEN_LYNXDOWNLOAD)
+
+#define STR_LYNXEDITMAP      "LYNXEDITMAP:"
+#define LEN_LYNXEDITMAP      11
+#define isLYNXEDITMAP(addr)  !strncasecomp(addr, STR_LYNXEDITMAP, LEN_LYNXEDITMAP)
+
+#define STR_LYNXHIST         "LYNXHIST:"
+#define LEN_LYNXHIST         9
+#define isLYNXHIST(addr)     !strncasecomp(addr, STR_LYNXHIST, LEN_LYNXHIST)
+
+#define STR_LYNXKEYMAP       "LYNXKEYMAP:"
+#define LEN_LYNXKEYMAP       11
+#define isLYNXKEYMAP(addr)   !strncasecomp(addr, STR_LYNXKEYMAP, LEN_LYNXKEYMAP)
+
+#define STR_LYNXIMGMAP       "LYNXIMGMAP:"
+#define LEN_LYNXIMGMAP       11
+#define isLYNXIMGMAP(addr)   !strncasecomp(addr, STR_LYNXIMGMAP, LEN_LYNXIMGMAP)
+
+#define STR_LYNXMESSAGES     "LYNXMESSAGES:"
+#define LEN_LYNXMESSAGES     13
+#define isLYNXMESSAGES(addr) !strncasecomp(addr, STR_LYNXMESSAGES, LEN_LYNXMESSAGES)
+
+#define STR_LYNXOPTIONS      "LYNXOPTIONS:"
+#define LEN_LYNXOPTIONS      12
+#define isLYNXOPTIONS(addr)  !strncasecomp(addr, STR_LYNXOPTIONS, LEN_LYNXOPTIONS)
+
+#define STR_LYNXPRINT        "LYNXPRINT:"
+#define LEN_LYNXPRINT        10
+#define isLYNXPRINT(addr)    !strncasecomp(addr, STR_LYNXPRINT, LEN_LYNXPRINT)
+
+#define STR_LYNXPROG         "lynxprog:"
+#define LEN_LYNXPROG         9
+#define isLYNXPROG(addr)     ((*addr == 'l' || *addr == 'L') &&\
+                             !strncasecomp(addr, STR_LYNXPROG, LEN_LYNXPROG))
+
+#define LYNXOPTIONS_PAGE(s)  STR_LYNXOPTIONS s
+/*
+ *  For change_sug_filename().
+ */
+    extern HTList *sug_filenames;
+
+/*
+ * syslog() facility
+ */
+#if defined(SYSLOG_REQUESTED_URLS)
+    extern void LYOpenlog(const char *banner);
+    extern void LYSyslog(char *arg);
+    extern void LYCloselog(void);
+#endif				/* SYSLOG_REQUESTED_URLS */
+
+#undef STREQ			/* conflict with wais.h */
+
+/*
+ *  Miscellaneous.
+ */
+#define STREQ(a,b)    (strcmp(a,b) == 0)
+#define STRNEQ(a,b,c) (StrNCmp(a,b,c) == 0)
+
+#define HIDE_CHMOD 0600
+#define HIDE_UMASK 0077
+
+#if defined(DOSPATH) || defined(__CYGWIN__)
+#define TXT_R	"rt"
+#define TXT_W	"wt"
+#define TXT_A	"at+"
+#else
+#define TXT_R	"r"
+#define TXT_W	"w"
+#define TXT_A	"a+"
+#endif
+
+#define BIN_R	"rb"
+#define BIN_W	"wb"
+#define BIN_A	"ab+"
+
+#ifdef __cplusplus
+}
+#endif
+#endif				/* LYUTILS_H */