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screen/extern.h
Daniel Baumann e88291c4cd
Adding upstream version 4.9.1. 
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 15:19:57 +02:00

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/* Copyright (c) 2008, 2009
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Micah Cowan (micah@cowan.name)
* Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
* Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Copyright (c) 1987 Oliver Laumann
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING); if not, see
* https://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*
****************************************************************
* $Id$ GNU
*/
#if !defined(__GNUC__) || __GNUC__ < 2
#undef __attribute__
#define __attribute__(x)
#endif
#include <stdbool.h>
/* screen.c */
extern int main __P((int, char **));
extern sigret_t SigHup __P(SIGPROTOARG);
extern void eexit __P((int)) __attribute__((__noreturn__));
extern void Detach __P((int));
extern void Hangup __P((void));
extern void Kill __P((int, int));
#ifdef USEVARARGS
extern void Msg __P((int, const char *, ...)) __attribute__((format(printf, 2, 3)));
extern void Panic __P((int, const char *, ...)) __attribute__((format(printf, 2, 3))) __attribute__((__noreturn__));
extern void QueryMsg __P((int, const char *, ...)) __attribute__((format(printf, 2, 3)));
extern void Dummy __P((int, const char *, ...)) __attribute__((format(printf, 2, 3)));
#else
extern void Msg __P(());
extern void Panic __P(());
extern void QueryMsg __P(());
extern void Dummy __P(());
#endif
extern void Finit __P((int));
extern void MakeNewEnv __P((void));
extern char *MakeWinMsg __P((char *, struct win *, int));
extern char *MakeWinMsgEv __P((char *, struct win *, int, int, struct event *, int));
extern int AddWinMsgRend __P((const char *, int));
extern void PutWinMsg __P((char *, int, int));
#ifdef BSDWAIT
extern void WindowDied __P((struct win *, union wait, int));
#else
extern void WindowDied __P((struct win *, int, int));
#endif
extern void setbacktick __P((int, int, int, char **));
/* ansi.c */
extern void ResetAnsiState __P((struct win *));
extern void ResetWindow __P((struct win *));
extern void ResetCharsets __P((struct win *));
extern void WriteString __P((struct win *, char *, int));
extern void ChangeAKA __P((struct win *, char *, int));
extern void SetCharsets __P((struct win *, char *));
extern int GetAnsiStatus __P((struct win *, char *));
extern void WNewAutoFlow __P((struct win *, int));
extern void WBell __P((struct win *, int));
extern void WMsg __P((struct win *, int, char *));
extern void WChangeSize __P((struct win *, int, int));
extern void WindowChanged __P((struct win *, int));
extern int MFindUsedLine __P((struct win *, int, int));
/* fileio.c */
extern int StartRc __P((char *, int));
extern void FinishRc __P((char *));
extern void RcLine __P((char *, int));
extern FILE *secfopen __P((char *, char *));
extern int secopen __P((char *, int, int));
extern void WriteFile __P((struct acluser *, char *, int));
extern char *ReadFile __P((char *, int *));
extern void KillBuffers __P((void));
extern int printpipe __P((struct win *, char *));
extern int readpipe __P((char **));
extern void RunBlanker __P((char **));
extern void do_source __P((char *));
/* tty.c */
extern int OpenTTY __P((char *, char *));
extern void InitTTY __P((struct mode *, int));
extern void GetTTY __P((int, struct mode *));
extern void SetTTY __P((int, struct mode *));
extern void SetMode __P((struct mode *, struct mode *, int, int));
extern void SetFlow __P((int));
extern void SendBreak __P((struct win *, int, int));
extern int TtyGrabConsole __P((int, int, char *));
extern char *TtyGetModemStatus __P((int, char *));
#ifdef DEBUG
extern void DebugTTY __P((struct mode *));
#endif /* DEBUG */
extern int fgtty __P((int));
extern void brktty __P((int));
extern struct baud_values *lookup_baud __P((int bps));
extern int SetBaud __P((struct mode *, int, int));
extern int SttyMode __P((struct mode *, char *));
extern int CheckTtyname __P((char *));
extern char *GetPtsPathOrSymlink __P((int));
/* mark.c */
extern int GetHistory __P((void));
extern void MarkRoutine __P((void));
extern void revto_line __P((int, int, int));
extern void revto __P((int, int));
extern int InMark __P((void));
extern void MakePaster __P((struct paster *, char *, int, int));
extern void FreePaster __P((struct paster *));
/* search.c */
extern void Search __P((int));
extern void ISearch __P((int));
/* input.c */
extern void inp_setprompt __P((char *, char *));
extern void Input __P((char *, int, int, void (*)(char *, int, char *), char *, int));
extern int InInput __P((void));
/* help.c */
extern void exit_with_usage __P((char *, char *, char *));
extern void display_help __P((char *, struct action *));
extern void display_copyright __P((void));
extern void display_displays __P((void));
extern void display_bindkey __P((char *, struct action *));
extern int InWList __P((void));
extern void WListUpdatecv __P((struct canvas *, struct win *));
extern void WListLinkChanged __P((void));
#ifdef ZMODEM
extern void ZmodemPage __P((void));
#endif
/* window.c */
extern int MakeWindow __P((struct NewWindow *));
extern int RemakeWindow __P((struct win *));
extern void FreeWindow __P((struct win *));
#ifdef PSEUDOS
extern int winexec __P((char **));
extern void FreePseudowin __P((struct win *));
#endif
extern void nwin_compose __P((struct NewWindow *, struct NewWindow *, struct NewWindow *));
extern int DoStartLog __P((struct win *, char *, int));
extern int ReleaseAutoWritelock __P((struct display *, struct win *));
extern int ObtainAutoWritelock __P((struct display *, struct win *));
extern void CloseDevice __P((struct win *));
#ifdef ZMODEM
extern void zmodem_abort __P((struct win *, struct display *));
#endif
#ifndef HAVE_EXECVPE
extern void execvpe __P((char *, char **, char **));
#endif
/* utmp.c */
#ifdef UTMPOK
extern void InitUtmp __P((void));
extern void RemoveLoginSlot __P((void));
extern void RestoreLoginSlot __P((void));
extern int SetUtmp __P((struct win *));
extern int RemoveUtmp __P((struct win *));
#endif /* UTMPOK */
extern void SlotToggle __P((int));
#ifdef USRLIMIT
extern int CountUsers __P((void));
#endif
#ifdef CAREFULUTMP
extern void CarefulUtmp __P((void));
#else
# define CarefulUtmp() /* nothing */
#endif /* CAREFULUTMP */
/* loadav.c */
#ifdef LOADAV
extern void InitLoadav __P((void));
extern void AddLoadav __P((char *));
#endif
/* pty.c */
extern int OpenPTY __P((char **));
extern void InitPTY __P((int));
/* process.c */
extern void InitKeytab __P((void));
extern void ProcessInput __P((char *, int));
#ifdef MAPKEYS
extern void ProcessInput2 __P((char *, int));
#endif
extern void DoProcess __P((struct win *, char **, int *, struct paster *));
extern void DoAction __P((struct action *, int));
extern int FindCommnr __P((const char *));
extern void DoCommand __P((char **, int *));
extern void Activate __P((int));
extern void KillWindow __P((struct win *));
extern void SetForeWindow __P((struct win *));
extern int Parse __P((char *, int, char **, int *));
extern void SetEscape __P((struct acluser *, int, int));
extern void DoScreen __P((char *, char **));
extern int IsNumColon __P((char *, int, char *, int));
extern void ShowWindows __P((int));
extern char *AddWindows __P((char *, int, int, int));
extern char *AddWindowFlags __P((char *, int, struct win *));
extern char *AddOtherUsers __P((char *, int, struct win *));
extern int WindowByNoN __P((char *));
extern struct win *FindNiceWindow __P((struct win *, char *));
#ifdef COPY_PASTE
extern int CompileKeys __P((char *, int, unsigned char *));
#endif
#ifdef RXVT_OSC
extern void RefreshXtermOSC __P((void));
#endif
extern int ParseSaveStr __P((struct action *act, char **));
extern int ParseNum __P((struct action *act, int *));
extern int ParseSwitch __P((struct action *, int *));
extern int ParseAttrColor __P((char *, char *, int));
extern void ApplyAttrColor __P((int, struct mchar *));
extern void SwitchWindow __P((int));
extern int StuffKey __P((int));
/* termcap.c */
extern int InitTermcap __P((int, int));
extern char *MakeTermcap __P((int));
extern void DumpTermcap __P((int, FILE *));
extern char *gettermcapstring __P((char *));
#ifdef MAPKEYS
extern int remap __P((int, int));
extern void CheckEscape __P((void));
#endif
extern int CreateTransTable __P((char *));
extern void FreeTransTable __P((void));
/* attacher.c */
extern int Attach __P((int));
extern void Attacher __P((void));
extern sigret_t AttacherFinit __P(SIGPROTOARG);
extern void SendCmdMessage __P((char *, char *, char **, int));
/* display.c */
extern struct display *MakeDisplay __P((char *, char *, char *, int, int, struct mode *));
extern void FreeDisplay __P((void));
extern void DefProcess __P((char **, int *));
extern void DefRedisplayLine __P((int, int, int, int));
extern void DefClearLine __P((int, int, int, int));
extern int DefRewrite __P((int, int, int, struct mchar *, int));
extern int DefResize __P((int, int));
extern void DefRestore __P((void));
extern void AddCStr __P((char *));
extern void AddCStr2 __P((char *, int));
extern void InitTerm __P((int));
extern void FinitTerm __P((void));
extern void PUTCHAR __P((int));
extern void PUTCHARLP __P((int));
extern void ClearAll __P((void));
extern void ClearArea __P((int, int, int, int, int, int, int, int));
extern void ClearLine __P((struct mline *, int, int, int, int));
extern void RefreshAll __P((int));
extern void RefreshArea __P((int, int, int, int, int));
extern void RefreshLine __P((int, int, int, int));
extern void Redisplay __P((int));
extern void RedisplayDisplays __P((int));
extern void ShowHStatus __P((char *));
extern void RefreshHStatus __P((void));
extern void DisplayLine __P((struct mline *, struct mline *, int, int, int));
extern void GotoPos __P((int, int));
extern int CalcCost __P((char *));
extern void ScrollH __P((int, int, int, int, int, struct mline *));
extern void ScrollV __P((int, int, int, int, int, int));
extern void PutChar __P((struct mchar *, int, int));
extern void InsChar __P((struct mchar *, int, int, int, struct mline *));
extern void WrapChar __P((struct mchar *, int, int, int, int, int, int, int));
extern void ChangeScrollRegion __P((int, int));
extern void InsertMode __P((int));
extern void KeypadMode __P((int));
extern void CursorkeysMode __P((int));
extern void ReverseVideo __P((int));
extern void CursorVisibility __P((int));
extern void MouseMode __P((int));
extern void ExtMouseMode __P((int));
extern void SetFont __P((int));
extern void SetAttr __P((int));
extern void SetColor __P((int, int));
extern void SetRendition __P((struct mchar *));
extern void SetRenditionMline __P((struct mline *, int));
extern void MakeStatus __P((char *));
extern void RemoveStatus __P((void));
extern int ResizeDisplay __P((int, int));
extern void AddStr __P((char *));
extern void AddStrn __P((char *, int));
extern void Flush __P((int));
extern void freetty __P((void));
extern void Resize_obuf __P((void));
#ifdef AUTO_NUKE
extern void NukePending __P((void));
#endif
#ifdef RXVT_OSC
extern void ClearAllXtermOSC __P((void));
extern void SetXtermOSC __P((int, char *, char *));
#endif
#ifdef COLOR
extern int color256to16 __P((int));
# ifdef COLORS256
extern int color256to88 __P((int));
# endif
#endif
extern void ResetIdle __P((void));
extern void KillBlanker __P((void));
extern void DisplaySleep1000 __P((int, int));
/* resize.c */
extern int ChangeWindowSize __P((struct win *, int, int, int));
extern void ChangeScreenSize __P((int, int, int));
extern void CheckScreenSize __P((int));
extern char *xrealloc __P((char *, int));
extern void ResizeLayersToCanvases __P((void));
extern void ResizeLayer __P((struct layer *, int, int, struct display *));
extern int MayResizeLayer __P((struct layer *));
extern void FreeAltScreen __P((struct win *));
extern void EnterAltScreen __P((struct win *));
extern void LeaveAltScreen __P((struct win *));
/* sched.c */
extern void evenq __P((struct event *));
extern void evdeq __P((struct event *));
extern void SetTimeout __P((struct event *, int));
extern void sched __P((void));
/* socket.c */
extern int FindSocket __P((int *, int *, int *, char *, bool *));
extern int MakeClientSocket __P((int, bool));
extern int MakeServerSocket __P((bool));
extern int RecoverSocket __P((void));
extern int chsock __P((void));
extern void ReceiveMsg __P((void));
extern void SendCreateMsg __P((char *, struct NewWindow *));
extern int SendErrorMsg __P((char *, char *));
extern int SendAttachMsg __P((int, struct msg *, int));
extern void ReceiveRaw __P((int));
extern bool IsSocket __P((const char *));
/* misc.c */
extern char *SaveStr __P((const char *));
extern char *SaveStrn __P((const char *, int));
extern char *InStr __P((char *, const char *));
#ifndef HAVE_STRERROR
extern char *strerror __P((int));
#endif
extern void centerline __P((char *, int));
extern void leftline __P((char *, int, struct mchar *));
extern char *Filename __P((char *));
extern char *stripdev __P((char *));
#ifdef NEED_OWN_BCOPY
extern void xbcopy __P((char *, char *, int));
#endif
extern void bclear __P((char *, int));
extern void closeallfiles __P((int));
extern int UserContext __P((void));
extern void UserReturn __P((int));
extern int UserStatus __P((void));
#if defined(POSIX) || defined(hpux)
extern void (*xsignal __P((int, void (*)SIGPROTOARG))) __P(SIGPROTOARG);
#endif
#ifndef HAVE_RENAME
extern int rename __P((char *, char *));
#endif
#if defined(HAVE_SETEUID) || defined(HAVE_SETREUID)
extern void xseteuid __P((int));
extern void xsetegid __P((int));
#endif
extern int AddXChar __P((char *, int));
extern int AddXChars __P((char *, int, char *));
extern void xsetenv __P((char *, char *));
extern void sleep1000 __P((int));
#ifdef DEBUG
extern void opendebug __P((int, int));
#endif
#ifdef USEVARARGS
# ifndef HAVE_VSNPRINTF
extern int xvsnprintf __P((char *, int, char *, va_list));
# endif
#else
extern int xsnprintf __P(());
#endif
/* acl.c */
#ifdef MULTIUSER
extern int AclCheckPermWin __P((struct acluser *, int, struct win *));
extern int AclCheckPermCmd __P((struct acluser *, int, struct comm *));
extern int AclSetPerm __P((struct acluser *, struct acluser *, char *, char *));
extern int AclUmask __P((struct acluser *, char *, char **));
extern int UsersAcl __P((struct acluser *, int, char **));
extern void AclWinSwap __P((int, int));
extern int NewWindowAcl __P((struct win *, struct acluser *));
extern void FreeWindowAcl __P((struct win *));
extern char *DoSu __P((struct acluser **, char *, char *, char *));
extern int AclLinkUser __P((char *, char *));
#endif /* MULTIUSER */
extern int UserFreeCopyBuffer __P((struct acluser *));
extern struct acluser **FindUserPtr __P((char *));
extern int UserAdd __P((char *, char *, struct acluser **));
extern int UserDel __P((char *, struct acluser **));
/* braile.c */
#ifdef HAVE_BRAILLE
extern void InitBraille __P((void));
extern void RefreshBraille __P((void));
extern void DoBrailleAction __P((struct action *, int));
extern void BGotoPos __P((struct layer *, int, int));
extern void BPutChar __P((struct layer *, struct mchar *, int, int));
extern void BPutStr __P((struct layer *, char *, int, struct mchar *, int, int));
extern void BCDisplayLine __P((struct layer *, struct mline *, int, int, int, int));
#endif
/* layer.c */
extern void LGotoPos __P((struct layer *, int, int));
extern void LPutChar __P((struct layer *, struct mchar *, int, int));
extern void LInsChar __P((struct layer *, struct mchar *, int, int, struct mline *));
extern void LPutStr __P((struct layer *, char *, int, struct mchar *, int, int));
extern void LPutWinMsg __P((struct layer *, char *, int, struct mchar *, int, int));
extern void LScrollH __P((struct layer *, int, int, int, int, int, struct mline *));
extern void LScrollV __P((struct layer *, int, int, int, int));
extern void LClearAll __P((struct layer *, int));
extern void LClearArea __P((struct layer *, int, int, int, int, int, int));
extern void LClearLine __P((struct layer *, int, int, int, int, struct mline *));
extern void LRefreshAll __P((struct layer *, int));
extern void LCDisplayLine __P((struct layer *, struct mline *, int, int, int, int));
extern void LCDisplayLineWrap __P((struct layer *, struct mline *, int, int, int, int));
extern void LSetRendition __P((struct layer *, struct mchar *));
extern void LWrapChar __P((struct layer *, struct mchar *, int, int, int, int));
extern void LCursorVisibility __P((struct layer *, int));
extern void LSetFlow __P((struct layer *, int));
extern void LKeypadMode __P((struct layer *, int));
extern void LCursorkeysMode __P((struct layer *, int));
extern void LMouseMode __P((struct layer *, int));
extern void LExtMouseMode __P((struct layer *, int));
#if defined(USEVARARGS)
extern void LMsg __P((int, const char *, ...)) __attribute__((format(printf, 2, 3)));
#else
extern void LMsg __P(());
#endif
extern void KillLayerChain __P((struct layer *));
extern int InitOverlayPage __P((int, struct LayFuncs *, int));
extern void ExitOverlayPage __P((void));
extern int LayProcessMouse __P((struct layer *, unsigned char));
extern void LayProcessMouseSwitch __P((struct layer *, int));
/* teln.c */
#ifdef BUILTIN_TELNET
extern int TelOpenAndConnect __P((struct win *));
extern int TelIsline __P((struct win *p));
extern void TelProcessLine __P((char **, int *));
extern int DoTelnet __P((char *, int *, int));
extern int TelIn __P((struct win *, char *, int, int));
extern void TelBreak __P((struct win *));
extern void TelWindowSize __P((struct win *));
extern void TelStatus __P((struct win *, char *, int));
#endif
/* nethack.c */
extern const char *DoNLS __P((const char *));
/* encoding.c */
#ifdef ENCODINGS
# ifdef UTF8
extern void InitBuiltinTabs __P((void));
extern struct mchar *recode_mchar __P((struct mchar *, int, int));
extern struct mline *recode_mline __P((struct mline *, int, int, int));
extern int FromUtf8 __P((int, int *));
extern void AddUtf8 __P((int));
extern int ToUtf8 __P((char *, int));
extern int ToUtf8_comb __P((char *, int));
extern int utf8_isdouble __P((int));
extern int utf8_iscomb __P((int));
extern void utf8_handle_comb __P((int, struct mchar *));
extern int ContainsSpecialDeffont __P((struct mline *, int, int, int));
extern int LoadFontTranslation __P((int, char *));
extern void LoadFontTranslationsForEncoding __P((int));
# endif /* UTF8 */
extern void WinSwitchEncoding __P((struct win *, int));
extern int FindEncoding __P((char *));
extern char *EncodingName __P((int));
extern int EncodingDefFont __P((int));
extern void ResetEncoding __P((struct win *));
extern int CanEncodeFont __P((int, int));
extern int DecodeChar __P((int, int, int *));
extern int RecodeBuf __P((unsigned char *, int, int, int, unsigned char *));
# ifdef DW_CHARS
extern int PrepareEncodedChar __P((int));
# endif
#endif
extern int EncodeChar __P((char *, int, int, int *));
/* layout.c */
extern void RemoveLayout __P((struct layout *));
extern int LayoutDumpCanvas __P((struct canvas *, char *));
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