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Annotation of src/usr.bin/mg/def.h, Revision 1.148

1.148   ! lum         1: /*     $OpenBSD: def.h,v 1.147 2015/06/03 23:40:01 bcallah Exp $       */
1.64      kjell       2:
                      3: /* This file is in the public domain. */
1.6       niklas      4:
1.1       deraadt     5: /*
                      6:  * This file is the general header file for all parts
1.4       millert     7:  * of the Mg display editor. It contains all of the
1.1       deraadt     8:  * general definitions and macros. It also contains some
                      9:  * conditional compilation flags. All of the per-system and
                     10:  * per-terminal definitions are in special header files.
                     11:  */
1.58      henning    12:
1.143     bcallah    13: #include       "chrdef.h"
1.1       deraadt    14:
1.47      vincent    15: typedef int    (*PF)(int, int);        /* generally useful type */
1.1       deraadt    16:
                     17: /*
                     18:  * Table sizes, etc.
                     19:  */
1.7       art        20: #define NFILEN 1024            /* Length, file name.            */
                     21: #define NBUFN  NFILEN          /* Length, buffer name.          */
1.4       millert    22: #define NLINE  256             /* Length, line.                 */
                     23: #define PBMODES 4              /* modes per buffer              */
                     24: #define NPAT   80              /* Length, pattern.              */
                     25: #define HUGE   1000            /* A rather large number.        */
                     26: #define NSRCH  128             /* Undoable search commands.     */
                     27: #define NXNAME 64              /* Length, extended command.     */
1.60      db         28: #define NKNAME 20              /* Length, key names.            */
1.68      kjell      29: #define NTIME  50              /* Length, timestamp string.     */
1.147     bcallah    30:
1.1       deraadt    31: /*
                     32:  * Universal.
                     33:  */
1.4       millert    34: #define FALSE  0               /* False, no, bad, etc.          */
                     35: #define TRUE   1               /* True, yes, good, etc.         */
                     36: #define ABORT  2               /* Death, ^G, abort, etc.        */
1.125     lum        37: #define UERROR 3               /* User Error.                   */
1.127     florian    38: #define REVERT 4               /* Revert the buffer             */
1.1       deraadt    39:
1.98      deraadt    40: #define KCLEAR 2               /* clear echo area               */
1.1       deraadt    41:
                     42: /*
                     43:  * These flag bits keep track of
                     44:  * some aspects of the last command. The CFCPCN
                     45:  * flag controls goal column setting. The CFKILL
                     46:  * flag controls the clearing versus appending
                     47:  * of data in the kill buffer.
                     48:  */
1.4       millert    49: #define CFCPCN 0x0001          /* Last command was C-P, C-N     */
                     50: #define CFKILL 0x0002          /* Last command was a kill       */
1.60      db         51: #define CFINS  0x0004          /* Last command was self-insert  */
1.1       deraadt    52:
                     53: /*
                     54:  * File I/O.
                     55:  */
1.4       millert    56: #define FIOSUC 0               /* Success.                      */
                     57: #define FIOFNF 1               /* File not found.               */
                     58: #define FIOEOF 2               /* End of file.                  */
                     59: #define FIOERR 3               /* Error.                        */
                     60: #define FIOLONG 4              /* long line partially read      */
1.77      deraadt    61: #define FIODIR 5               /* File is a directory           */
1.1       deraadt    62:
                     63: /*
                     64:  * Display colors.
                     65:  */
1.4       millert    66: #define CNONE  0               /* Unknown color.                */
                     67: #define CTEXT  1               /* Text color.                   */
                     68: #define CMODE  2               /* Mode line color.              */
                     69:
                     70: /*
1.22      millert    71:  * Flags for keyboard invoked functions.
1.4       millert    72:  */
                     73: #define FFUNIV         1       /* universal argument            */
1.27      deraadt    74: #define FFNEGARG       2       /* negative only argument        */
1.4       millert    75: #define FFOTHARG       4       /* other argument                */
                     76: #define FFARG          7       /* any argument                  */
                     77: #define FFRAND         8       /* Called by other function      */
1.1       deraadt    78:
                     79: /*
                     80:  * Flags for "eread".
                     81:  */
1.4       millert    82: #define EFFUNC 0x0001          /* Autocomplete functions.       */
                     83: #define EFBUF  0x0002          /* Autocomplete buffers.         */
                     84: #define EFFILE 0x0004          /* " files (maybe someday)       */
1.60      db         85: #define EFAUTO 0x0007          /* Some autocompletion on        */
1.4       millert    86: #define EFNEW  0x0008          /* New prompt.                   */
                     87: #define EFCR   0x0010          /* Echo CR at end; last read.    */
1.20      art        88: #define EFDEF  0x0020          /* buffer contains default args  */
1.63      kjell      89: #define EFNUL  0x0040          /* Null Minibuffer OK            */
1.1       deraadt    90:
                     91: /*
1.75      kjell      92:  * Direction of insert into kill ring
1.1       deraadt    93:  */
1.112     kjell      94: #define KNONE  0x00
                     95: #define KFORW  0x01            /* forward insert into kill ring */
                     96: #define KBACK  0x02            /* Backwards insert into kill ring */
                     97: #define KREG   0x04            /* This is a region-based kill */
1.1       deraadt    98:
1.123     lum        99: #define MAX_TOKEN 64
                    100:
1.49      vincent   101: /*
1.143     bcallah   102:  * Previously from sysdef.h
                    103:  */
                    104: typedef int    RSIZE;          /* Type for file/region sizes    */
                    105: typedef short  KCHAR;          /* Type for internal keystrokes  */
                    106:
                    107: /*
1.49      vincent   108:  * This structure holds the starting position
                    109:  * (as a line/offset pair) and the number of characters in a
                    110:  * region of a buffer. This makes passing the specification
                    111:  * of a region around a little bit easier.
                    112:  */
1.74      deraadt   113: struct region {
                    114:        struct line     *r_linep;       /* Origin line address.          */
                    115:        int              r_offset;      /* Origin line offset.           */
1.110     kjell     116:        int              r_lineno;      /* Origin line number            */
1.60      db        117:        RSIZE            r_size;        /* Length in characters.         */
1.74      deraadt   118: };
1.49      vincent   119:
                    120:
1.1       deraadt   121: /*
                    122:  * All text is kept in circularly linked
1.75      kjell     123:  * lists of "line" structures. These begin at the
1.1       deraadt   124:  * header line (which is the blank line beyond the
                    125:  * end of the buffer). This line is pointed to by
1.75      kjell     126:  * the "buffer" structure. Each line contains the number of
1.1       deraadt   127:  * bytes in the line (the "used" size), the size
                    128:  * of the text array, and the text. The end of line
                    129:  * is not stored as a byte; it's implied. Future
                    130:  * additions will include update hints, and a
                    131:  * list of marks into the line.
                    132:  */
1.74      deraadt   133: struct line {
                    134:        struct line     *l_fp;          /* Link to the next line         */
                    135:        struct line     *l_bp;          /* Link to the previous line     */
1.60      db        136:        int              l_size;        /* Allocated size                */
                    137:        int              l_used;        /* Used size                     */
                    138:        char            *l_text;        /* Content of the line           */
1.74      deraadt   139: };
1.1       deraadt   140:
                    141: /*
                    142:  * The rationale behind these macros is that you
                    143:  * could (with some editing, like changing the type of a line
1.75      kjell     144:  * link from a "struct line *" to a "REFLINE", and fixing the commands
1.1       deraadt   145:  * like file reading that break the rules) change the actual
                    146:  * storage representation of lines to use something fancy on
                    147:  * machines with small address spaces.
                    148:  */
                    149: #define lforw(lp)      ((lp)->l_fp)
                    150: #define lback(lp)      ((lp)->l_bp)
                    151: #define lgetc(lp, n)   (CHARMASK((lp)->l_text[(n)]))
                    152: #define lputc(lp, n, c) ((lp)->l_text[(n)]=(c))
                    153: #define llength(lp)    ((lp)->l_used)
                    154: #define ltext(lp)      ((lp)->l_text)
                    155:
                    156: /*
                    157:  * All repeated structures are kept as linked lists of structures.
                    158:  * All of these start with a LIST structure (except lines, which
                    159:  * have their own abstraction). This will allow for
                    160:  * later conversion to generic list manipulation routines should
1.60      db        161:  * I decide to do that. It does mean that there are four extra
1.1       deraadt   162:  * bytes per window. I feel that this is an acceptable price,
                    163:  * considering that there are usually only one or two windows.
                    164:  */
1.74      deraadt   165: struct list {
1.1       deraadt   166:        union {
1.74      deraadt   167:                struct mgwin    *l_wp;
1.75      kjell     168:                struct buffer   *x_bp;  /* l_bp is used by struct line */
1.74      deraadt   169:                struct list     *l_nxt;
1.1       deraadt   170:        } l_p;
1.82      kjell     171:        char *l_name;
1.74      deraadt   172: };
1.4       millert   173:
1.1       deraadt   174: /*
                    175:  * Usual hack - to keep from uglifying the code with lotsa
                    176:  * references through the union, we #define something for it.
                    177:  */
                    178: #define l_next l_p.l_nxt
                    179:
                    180: /*
                    181:  * There is a window structure allocated for
                    182:  * every active display window. The windows are kept in a
                    183:  * big list, in top to bottom screen order, with the listhead at
                    184:  * "wheadp". Each window contains its own values of dot and mark.
                    185:  * The flag field contains some bits that are set by commands
                    186:  * to guide redisplay; although this is a bit of a compromise in
                    187:  * terms of decoupling, the full blown redisplay is just too
                    188:  * expensive to run for every input character.
                    189:  */
1.74      deraadt   190: struct mgwin {
                    191:        struct list      w_list;        /* List header                  */
                    192:        struct buffer   *w_bufp;        /* Buffer displayed in window   */
                    193:        struct line     *w_linep;       /* Top line in the window       */
                    194:        struct line     *w_dotp;        /* Line containing "."          */
                    195:        struct line     *w_markp;       /* Line containing "mark"       */
1.60      db        196:        int              w_doto;        /* Byte offset for "."          */
                    197:        int              w_marko;       /* Byte offset for "mark"       */
1.122     lum       198:        int              w_toprow;      /* Origin 0 top row of window   */
                    199:        int              w_ntrows;      /* # of rows of text in window  */
                    200:        int              w_frame;       /* #lines to reframe by.        */
1.111     kjell     201:        char             w_rflag;       /* Redisplay Flags.             */
                    202:        char             w_flag;        /* Flags.                       */
1.74      deraadt   203:        struct line     *w_wrapline;
1.92      kjell     204:        int              w_dotline;     /* current line number of dot   */
                    205:        int              w_markline;    /* current line number of mark  */
1.74      deraadt   206: };
1.1       deraadt   207: #define w_wndp w_list.l_p.l_wp
                    208: #define w_name w_list.l_name
                    209:
                    210: /*
1.109     kjell     211:  * Window redisplay flags are set by command processors to
1.1       deraadt   212:  * tell the display system what has happened to the buffer
1.99      deanna    213:  * mapped by the window. Setting "WFFULL" is always a safe thing
1.1       deraadt   214:  * to do, but it may do more work than is necessary. Always try
                    215:  * to set the simplest action that achieves the required update.
                    216:  * Because commands set bits in the "w_flag", update will see
                    217:  * all change flags, and do the most general one.
                    218:  */
1.89      kjell     219: #define WFFRAME 0x01                   /* Force reframe.                */
1.43      vincent   220: #define WFMOVE 0x02                    /* Movement from line to line.   */
                    221: #define WFEDIT 0x04                    /* Editing within a line.        */
1.89      kjell     222: #define WFFULL 0x08                    /* Do a full display.            */
1.43      vincent   223: #define WFMODE 0x10                    /* Update mode line.             */
1.1       deraadt   224:
1.111     kjell     225: /*
                    226:  * Window flags
                    227:  */
                    228: #define WNONE  0x00                    /* No special window options.   */
                    229: #define WEPHEM 0x01                    /* Window is ephemeral.         */
                    230:
1.35      vincent   231: struct undo_rec;
1.113     oga       232: TAILQ_HEAD(undoq, undo_rec);
1.143     bcallah   233:
                    234: /*
                    235:  * Previously from sysdef.h
                    236:  * Only used in struct buffer.
                    237:  */
                    238: struct fileinfo {
                    239:         uid_t           fi_uid;
                    240:         gid_t           fi_gid;
                    241:         mode_t          fi_mode;
                    242:         struct timespec fi_mtime;       /* Last modified time */
                    243: };
1.35      vincent   244:
1.1       deraadt   245: /*
                    246:  * Text is kept in buffers. A buffer header, described
                    247:  * below, exists for every buffer in the system. The buffers are
                    248:  * kept in a big list, so that commands that search for a buffer by
                    249:  * name can find the buffer header. There is a safe store for the
                    250:  * dot and mark in the header, but this is only valid if the buffer
                    251:  * is not being displayed (that is, if "b_nwnd" is 0). The text for
                    252:  * the buffer is kept in a circularly linked list of lines, with
1.94      kjell     253:  * a pointer to the header line in "b_headp".
1.1       deraadt   254:  */
1.74      deraadt   255: struct buffer {
                    256:        struct list      b_list;        /* buffer list pointer           */
                    257:        struct buffer   *b_altb;        /* Link to alternate buffer      */
1.75      kjell     258:        struct line     *b_dotp;        /* Link to "." line structure    */
1.74      deraadt   259:        struct line     *b_markp;       /* ditto for mark                */
1.94      kjell     260:        struct line     *b_headp;       /* Link to the header line       */
1.74      deraadt   261:        struct maps_s   *b_modes[PBMODES]; /* buffer modes               */
1.75      kjell     262:        int              b_doto;        /* Offset of "." in above line   */
1.60      db        263:        int              b_marko;       /* ditto for the "mark"          */
                    264:        short            b_nmodes;      /* number of non-fundamental modes */
                    265:        char             b_nwnd;        /* Count of windows on buffer    */
                    266:        char             b_flag;        /* Flags                         */
                    267:        char             b_fname[NFILEN]; /* File name                   */
1.86      kjell     268:        char             b_cwd[NFILEN]; /* working directory             */
1.60      db        269:        struct fileinfo  b_fi;          /* File attributes               */
1.113     oga       270:        struct undoq     b_undo;        /* Undo actions list             */
1.67      kjell     271:        struct undo_rec *b_undoptr;
1.92      kjell     272:        int              b_dotline;     /* Line number of dot */
                    273:        int              b_markline;    /* Line number of mark */
                    274:        int              b_lines;       /* Number of lines in file      */
1.74      deraadt   275: };
1.1       deraadt   276: #define b_bufp b_list.l_p.x_bp
                    277: #define b_bname b_list.l_name
1.95      kjell     278:
                    279: /* Some helper macros, in case they ever change to functions */
                    280: #define bfirstlp(buf)  (lforw((buf)->b_headp))
                    281: #define blastlp(buf)   (lback((buf)->b_headp))
1.1       deraadt   282:
1.43      vincent   283: #define BFCHG  0x01                    /* Changed.                      */
                    284: #define BFBAK  0x02                    /* Need to make a backup.        */
1.1       deraadt   285: #ifdef NOTAB
1.43      vincent   286: #define BFNOTAB 0x04                   /* no tab mode                   */
1.1       deraadt   287: #endif
1.43      vincent   288: #define BFOVERWRITE 0x08               /* overwrite mode                */
1.60      db        289: #define BFREADONLY  0x10               /* read only mode                */
1.107     kjell     290: #define BFDIRTY     0x20               /* Buffer was modified elsewhere */
                    291: #define BFIGNDIRTY  0x40               /* Ignore modifications */
1.1       deraadt   292: /*
1.30      vincent   293:  * This structure holds information about recent actions for the Undo command.
                    294:  */
                    295: struct undo_rec {
1.113     oga       296:        TAILQ_ENTRY(undo_rec) next;
1.30      vincent   297:        enum {
                    298:                INSERT = 1,
                    299:                DELETE,
1.93      kjell     300:                BOUNDARY,
1.112     kjell     301:                MODIFIED,
                    302:                DELREG
1.30      vincent   303:        } type;
1.74      deraadt   304:        struct region    region;
1.30      vincent   305:        int              pos;
1.34      deraadt   306:        char            *content;
1.30      vincent   307: };
1.144     bcallah   308:
                    309: /*
                    310:  * Previously from ttydef.h
                    311:  */
                    312: #define STANDOUT_GLITCH                        /* possible standout glitch     */
                    313:
                    314: #define putpad(str, num)       tputs(str, num, ttputc)
                    315:
                    316: #define KFIRST K00
                    317: #define KLAST  K00
1.30      vincent   318:
                    319: /*
1.4       millert   320:  * Prototypes.
                    321:  */
                    322:
1.5       millert   323: /* tty.c X */
1.74      deraadt   324: void            ttinit(void);
                    325: void            ttreinit(void);
                    326: void            tttidy(void);
                    327: void            ttmove(int, int);
                    328: void            tteeol(void);
                    329: void            tteeop(void);
                    330: void            ttbeep(void);
                    331: void            ttinsl(int, int, int);
                    332: void            ttdell(int, int, int);
                    333: void            ttwindow(int, int);
                    334: void            ttnowindow(void);
                    335: void            ttcolor(int);
                    336: void            ttresize(void);
1.31      deraadt   337:
                    338: volatile sig_atomic_t winch_flag;
1.4       millert   339:
                    340: /* ttyio.c */
1.74      deraadt   341: void            ttopen(void);
                    342: int             ttraw(void);
                    343: void            ttclose(void);
                    344: int             ttcooked(void);
                    345: int             ttputc(int);
                    346: void            ttflush(void);
                    347: int             ttgetc(void);
                    348: int             ttwait(int);
1.80      kjell     349: int             charswaiting(void);
1.4       millert   350:
                    351: /* dir.c */
1.74      deraadt   352: void            dirinit(void);
                    353: int             changedir(int, int);
                    354: int             showcwdir(int, int);
1.86      kjell     355: int             getcwdir(char *, size_t);
1.131     jasper    356: int             makedir(int, int);
1.141     lum       357: int             do_makedir(char *);
                    358: int             ask_makedir(void);
1.4       millert   359:
                    360: /* dired.c */
1.74      deraadt   361: struct buffer  *dired_(char *);
1.5       millert   362:
                    363: /* file.c X */
1.74      deraadt   364: int             fileinsert(int, int);
                    365: int             filevisit(int, int);
                    366: int             filevisitalt(int, int);
                    367: int             filevisitro(int, int);
                    368: int             poptofile(int, int);
                    369: int             readin(char *);
                    370: int             insertfile(char *, char *, int);
                    371: int             filewrite(int, int);
                    372: int             filesave(int, int);
                    373: int             buffsave(struct buffer *);
                    374: int             makebkfile(int, int);
1.121     lum       375: int             writeout(FILE **, struct buffer *, char *);
1.74      deraadt   376: void            upmodes(struct buffer *);
1.116     kjell     377: size_t          xbasename(char *, const char *, size_t);
1.5       millert   378:
                    379: /* line.c X */
1.74      deraadt   380: struct line    *lalloc(int);
                    381: int             lrealloc(struct line *, int);
                    382: void            lfree(struct line *);
                    383: void            lchange(int);
                    384: int             linsert(int, int);
                    385: int             lnewline_at(struct line *, int);
                    386: int             lnewline(void);
                    387: int             ldelete(RSIZE, int);
                    388: int             ldelnewline(void);
                    389: int             lreplace(RSIZE, char *);
1.88      kjell     390: char *          linetostr(const struct line *);
1.78      kjell     391:
                    392: /* yank.c X */
                    393:
1.74      deraadt   394: void            kdelete(void);
                    395: int             kinsert(int, int);
                    396: int             kremove(int);
1.76      kjell     397: int             kchunk(char *, RSIZE, int);
1.78      kjell     398: int             killline(int, int);
                    399: int             yank(int, int);
1.5       millert   400:
                    401: /* window.c X */
1.74      deraadt   402: struct mgwin   *new_window(struct buffer *);
                    403: int             reposition(int, int);
1.80      kjell     404: int             redraw(int, int);
1.83      otto      405: int             do_redraw(int, int, int);
1.74      deraadt   406: int             nextwind(int, int);
                    407: int             prevwind(int, int);
                    408: int             onlywind(int, int);
                    409: int             splitwind(int, int);
                    410: int             enlargewind(int, int);
                    411: int             shrinkwind(int, int);
                    412: int             delwind(int, int);
1.4       millert   413:
                    414: /* buffer.c */
1.74      deraadt   415: int             togglereadonly(int, int);
1.86      kjell     416: struct buffer   *bfind(const char *, int);
1.74      deraadt   417: int             poptobuffer(int, int);
                    418: int             killbuffer(struct buffer *);
                    419: int             killbuffer_cmd(int, int);
                    420: int             savebuffers(int, int);
                    421: int             listbuffers(int, int);
                    422: int             addlinef(struct buffer *, char *, ...);
1.12      art       423: #define         addline(bp, text)      addlinef(bp, "%s", text)
1.74      deraadt   424: int             anycb(int);
                    425: int             bclear(struct buffer *);
                    426: int             showbuffer(struct buffer *, struct mgwin *, int);
1.86      kjell     427: int             augbname(char *, const char *, size_t);
1.111     kjell     428: struct mgwin    *popbuf(struct buffer *, int);
1.74      deraadt   429: int             bufferinsert(int, int);
                    430: int             usebuffer(int, int);
                    431: int             notmodified(int, int);
1.111     kjell     432: int             popbuftop(struct buffer *, int);
1.86      kjell     433: int             getbufcwd(char *, size_t);
1.107     kjell     434: int             checkdirty(struct buffer *);
1.126     jasper    435: int             revertbuffer(int, int);
1.128     haesbaer  436: int             dorevert(void);
1.134     florian   437: int             diffbuffer(int, int);
1.139     lum       438: struct buffer  *findbuffer(char *);
1.4       millert   439:
                    440: /* display.c */
1.74      deraadt   441: int            vtresize(int, int, int);
                    442: void           vtinit(void);
                    443: void           vttidy(void);
1.138     lum       444: void           update(int);
1.92      kjell     445: int            linenotoggle(int, int);
1.132     florian   446: int            colnotoggle(int, int);
1.5       millert   447:
                    448: /* echo.c X */
1.74      deraadt   449: void            eerase(void);
                    450: int             eyorn(const char *);
1.127     florian   451: int             eynorr(const char *);
1.74      deraadt   452: int             eyesno(const char *);
                    453: void            ewprintf(const char *fmt, ...);
                    454: char           *eread(const char *, char *, size_t, int, ...);
                    455: int             getxtra(struct list *, struct list *, int, int);
                    456: void            free_file_list(struct list *);
1.4       millert   457:
                    458: /* fileio.c */
1.121     lum       459: int             ffropen(FILE **, const char *, struct buffer *);
                    460: void            ffstat(FILE *, struct buffer *);
                    461: int             ffwopen(FILE **, const char *, struct buffer *);
                    462: int             ffclose(FILE *, struct buffer *);
                    463: int             ffputbuf(FILE *, struct buffer *);
                    464: int             ffgetline(FILE *, char *, int, int *);
1.74      deraadt   465: int             fbackupfile(const char *);
1.91      jason     466: char           *adjustname(const char *, int);
1.74      deraadt   467: char           *startupfile(char *);
                    468: int             copy(char *, char *);
                    469: struct list    *make_file_list(char *);
                    470: int             fisdir(const char *);
1.107     kjell     471: int             fchecktime(struct buffer *);
                    472: int             fupdstat(struct buffer *);
1.124     lum       473: int             backuptohomedir(int, int);
                    474: int             toggleleavetmp(int, int);
1.130     jasper    475: char           *expandtilde(const char *);
1.4       millert   476:
1.5       millert   477: /* kbd.c X */
1.74      deraadt   478: int             do_meta(int, int);
                    479: int             bsmap(int, int);
                    480: void            ungetkey(int);
                    481: int             getkey(int);
                    482: int             doin(void);
                    483: int             rescan(int, int);
                    484: int             universal_argument(int, int);
                    485: int             digit_argument(int, int);
                    486: int             negative_argument(int, int);
                    487: int             selfinsert(int, int);
                    488: int             quote(int, int);
1.4       millert   489:
                    490: /* main.c */
1.74      deraadt   491: int             ctrlg(int, int);
                    492: int             quit(int, int);
1.4       millert   493:
                    494: /* ttyio.c */
1.74      deraadt   495: void            panic(char *);
1.4       millert   496:
                    497: /* cinfo.c */
1.80      kjell     498: char           *getkeyname(char  *, size_t, int);
1.4       millert   499:
                    500: /* basic.c */
1.74      deraadt   501: int             gotobol(int, int);
                    502: int             backchar(int, int);
                    503: int             gotoeol(int, int);
                    504: int             forwchar(int, int);
                    505: int             gotobob(int, int);
                    506: int             gotoeob(int, int);
                    507: int             forwline(int, int);
                    508: int             backline(int, int);
                    509: void            setgoal(void);
                    510: int             getgoal(struct line *);
                    511: int             forwpage(int, int);
                    512: int             backpage(int, int);
                    513: int             forw1page(int, int);
                    514: int             back1page(int, int);
                    515: int             pagenext(int, int);
                    516: void            isetmark(void);
                    517: int             setmark(int, int);
1.101     kjell     518: int             clearmark(int, int);
1.74      deraadt   519: int             swapmark(int, int);
                    520: int             gotoline(int, int);
1.126     jasper    521: int             setlineno(int);
1.5       millert   522:
                    523: /* random.c X */
1.74      deraadt   524: int             showcpos(int, int);
1.135     florian   525: int             getcolpos(struct mgwin *);
1.74      deraadt   526: int             twiddle(int, int);
                    527: int             openline(int, int);
1.142     bcallah   528: int             enewline(int, int);
1.74      deraadt   529: int             deblank(int, int);
                    530: int             justone(int, int);
                    531: int             delwhite(int, int);
1.102     kjell     532: int             delleadwhite(int, int);
                    533: int             deltrailwhite(int, int);
                    534: int             lfindent(int, int);
1.74      deraadt   535: int             indent(int, int);
                    536: int             forwdel(int, int);
                    537: int             backdel(int, int);
                    538: int             space_to_tabstop(int, int);
1.114     kjell     539: int             backtoindent(int, int);
1.115     kjell     540: int             joinline(int, int);
1.5       millert   541:
1.117     lum       542: /* tags.c X */
                    543: int             findtag(int, int);
                    544: int             poptag(int, int);
                    545: int             tagsvisit(int, int);
1.123     lum       546: int             curtoken(int, int, char *);
                    547:
                    548: /* cscope.c */
                    549: int            cssymbol(int, int);
                    550: int            csdefinition(int, int);
                    551: int            csfuncalled(int, int);
                    552: int            cscallerfuncs(int, int);
                    553: int            csfindtext(int, int);
                    554: int            csegrep(int, int);
                    555: int            csfindfile(int, int);
                    556: int            csfindinc(int, int);
                    557: int            csnextfile(int, int);
                    558: int            csnextmatch(int, int);
                    559: int            csprevfile(int, int);
                    560: int            csprevmatch(int, int);
                    561: int            cscreatelist(int, int);
1.117     lum       562:
1.5       millert   563: /* extend.c X */
1.74      deraadt   564: int             insert(int, int);
                    565: int             bindtokey(int, int);
                    566: int             localbind(int, int);
1.80      kjell     567: int             redefine_key(int, int);
1.74      deraadt   568: int             unbindtokey(int, int);
                    569: int             localunbind(int, int);
                    570: int             extend(int, int);
                    571: int             evalexpr(int, int);
                    572: int             evalbuffer(int, int);
                    573: int             evalfile(int, int);
                    574: int             load(const char *);
                    575: int             excline(char *);
1.5       millert   576:
                    577: /* help.c X */
1.74      deraadt   578: int             desckey(int, int);
                    579: int             wallchart(int, int);
                    580: int             help_help(int, int);
                    581: int             apropos_command(int, int);
1.5       millert   582:
                    583: /* paragraph.c X */
1.74      deraadt   584: int             gotobop(int, int);
                    585: int             gotoeop(int, int);
                    586: int             fillpara(int, int);
                    587: int             killpara(int, int);
                    588: int             fillword(int, int);
                    589: int             setfillcol(int, int);
1.148   ! lum       590: int             markpara(int, int);
1.5       millert   591:
                    592: /* word.c X */
1.74      deraadt   593: int             backword(int, int);
                    594: int             forwword(int, int);
                    595: int             upperword(int, int);
                    596: int             lowerword(int, int);
                    597: int             capword(int, int);
                    598: int             delfword(int, int);
                    599: int             delbword(int, int);
                    600: int             inword(void);
1.5       millert   601:
                    602: /* region.c X */
1.74      deraadt   603: int             killregion(int, int);
                    604: int             copyregion(int, int);
                    605: int             lowerregion(int, int);
                    606: int             upperregion(int, int);
                    607: int             prefixregion(int, int);
                    608: int             setprefix(int, int);
                    609: int             region_get_data(struct region *, char *, int);
1.79      kjell     610: void            region_put_data(const char *, int);
1.119     lum       611: int             markbuffer(int, int);
                    612: int             piperegion(int, int);
1.136     lum       613: int             shellcommand(int, int);
1.133     florian   614: int             pipeio(const char * const, char * const[], char * const, int,
                    615:                     struct buffer *);
1.5       millert   616:
                    617: /* search.c X */
1.74      deraadt   618: int             forwsearch(int, int);
                    619: int             backsearch(int, int);
                    620: int             searchagain(int, int);
                    621: int             forwisearch(int, int);
                    622: int             backisearch(int, int);
                    623: int             queryrepl(int, int);
                    624: int             forwsrch(void);
                    625: int             backsrch(void);
                    626: int             readpattern(char *);
1.5       millert   627:
                    628: /* spawn.c X */
1.74      deraadt   629: int             spawncli(int, int);
1.5       millert   630:
                    631: /* ttykbd.c X */
1.74      deraadt   632: void            ttykeymapinit(void);
                    633: void            ttykeymaptidy(void);
1.5       millert   634:
                    635: /* match.c X */
1.74      deraadt   636: int             showmatch(int, int);
1.5       millert   637:
                    638: /* version.c X */
1.74      deraadt   639: int             showversion(int, int);
1.5       millert   640:
                    641: /* macro.c X */
1.74      deraadt   642: int             definemacro(int, int);
                    643: int             finishmacro(int, int);
                    644: int             executemacro(int, int);
1.5       millert   645:
                    646: /* modes.c X */
1.74      deraadt   647: int             indentmode(int, int);
                    648: int             fillmode(int, int);
1.5       millert   649: #ifdef NOTAB
1.74      deraadt   650: int             notabmode(int, int);
1.5       millert   651: #endif /* NOTAB */
1.80      kjell     652: int             overwrite_mode(int, int);
1.74      deraadt   653: int             set_default_mode(int,int);
1.5       millert   654:
                    655: #ifdef REGEX
                    656: /* re_search.c X */
1.74      deraadt   657: int             re_forwsearch(int, int);
                    658: int             re_backsearch(int, int);
                    659: int             re_searchagain(int, int);
                    660: int             re_queryrepl(int, int);
                    661: int             replstr(int, int);
                    662: int             setcasefold(int, int);
                    663: int             delmatchlines(int, int);
                    664: int             delnonmatchlines(int, int);
                    665: int             cntmatchlines(int, int);
                    666: int             cntnonmatchlines(int, int);
1.5       millert   667: #endif /* REGEX */
1.1       deraadt   668:
1.30      vincent   669: /* undo.c X */
1.74      deraadt   670: void            free_undo_record(struct undo_rec *);
                    671: int             undo_dump(int, int);
1.97      kjell     672: int             undo_enabled(void);
1.108     kjell     673: int             undo_enable(int, int);
                    674: int             undo_add_boundary(int, int);
1.93      kjell     675: void            undo_add_modified(void);
1.74      deraadt   676: int             undo_add_insert(struct line *, int, int);
1.112     kjell     677: int             undo_add_delete(struct line *, int, int, int);
1.108     kjell     678: int             undo_boundary_enable(int, int);
1.74      deraadt   679: int             undo_add_change(struct line *, int, int);
                    680: int             undo(int, int);
1.41      vincent   681:
                    682: /* autoexec.c X */
1.74      deraadt   683: int             auto_execute(int, int);
                    684: PF             *find_autoexec(const char *);
                    685: int             add_autoexec(const char *, const char *);
1.46      vincent   686:
1.103     kjell     687: /* cmode.c X */
                    688: int             cmode(int, int);
1.104     kjell     689: int             cc_brace(int, int);
1.103     kjell     690: int             cc_char(int, int);
                    691: int             cc_tab(int, int);
                    692: int             cc_indent(int, int);
                    693: int             cc_lfindent(int, int);
1.66      kjell     694:
                    695: /* grep.c X */
1.74      deraadt   696: int             next_error(int, int);
1.100     kjell     697: int             globalwdtoggle(int, int);
1.106     kjell     698: int             compile(int, int);
1.30      vincent   699:
1.138     lum       700: /* bell.c */
                    701: void            bellinit(void);
                    702: int             toggleaudiblebell(int, int);
                    703: int             togglevisiblebell(int, int);
                    704: void            dobeep(void);
                    705:
1.1       deraadt   706: /*
                    707:  * Externals.
                    708:  */
1.74      deraadt   709: extern struct buffer   *bheadp;
                    710: extern struct buffer   *curbp;
                    711: extern struct mgwin    *curwp;
                    712: extern struct mgwin    *wheadp;
                    713: extern int              thisflag;
                    714: extern int              lastflag;
                    715: extern int              curgoal;
                    716: extern int              startrow;
                    717: extern int              epresf;
                    718: extern int              sgarbf;
                    719: extern int              mode;
                    720: extern int              nrow;
                    721: extern int              ncol;
                    722: extern int              ttrow;
                    723: extern int              ttcol;
                    724: extern int              tttop;
                    725: extern int              ttbot;
                    726: extern int              tthue;
                    727: extern int              defb_nmodes;
                    728: extern int              defb_flag;
1.138     lum       729: extern int              doaudiblebell;
                    730: extern int              dovisiblebell;
1.117     lum       731: extern char             cinfo[];
1.74      deraadt   732: extern char            *keystrings[];
                    733: extern char             pat[NPAT];
                    734: extern char             prompt[];
1.5       millert   735:
                    736: /*
                    737:  * Globals.
                    738:  */
1.74      deraadt   739: int             tceeol;
                    740: int             tcinsl;
                    741: int             tcdell;
1.105     kjell     742: int             rptcount;      /* successive invocation count */