distrib/utils/more/extern.h

   1 /*      $NetBSD: extern.h,v 1.3 2004/09/01 01:46:56 chs Exp $    */
   2
   3 /*
   4  * Copyright (c) 1997 Christos Zoulas. All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26 /* ch.c */
  27 int ch_seek __P((off_t));
  28 int ch_end_seek __P((void));
  29 int ch_beg_seek __P((void));
  30 off_t ch_length __P((void));
  31 off_t ch_tell __P((void));
  32 int ch_forw_get __P((void));
  33 int ch_back_get __P((void));
  34 void ch_init __P((int, int));
  35 int ch_addbuf __P((int));
  36
  37 /* command.c */
  38 void start_mca __P((int, char *));
  39 int prompt __P((void));
  40 void commands __P((void));
  41 void editfile __P((void));
  42 void showlist __P((void));
  43
  44 /* decode.c */
  45 void noprefix __P((void));
  46 int cmd_decode __P((int));
  47 int cmd_search __P((char *, char *));
  48
  49 /* help.c */
  50 void help __P((void));
  51
  52 /* input.c */
  53 off_t forw_line __P((off_t));
  54 off_t back_line __P((off_t));
  55
  56 /* line.c */
  57 void prewind __P((void));
  58 int pappend __P((int));
  59 off_t forw_raw_line __P((off_t));
  60 off_t back_raw_line __P((off_t));
  61
  62 /* linenum.c */
  63 void clr_linenum __P((void));
  64 void add_lnum __P((int, off_t));
  65 int find_linenum __P((off_t));
  66 int currline __P((int));
  67
  68 /* main.c */
  69 int edit __P((char *));
  70 void next_file __P((int));
  71 void prev_file __P((int));
  72 int main __P((int, char **));
  73 char *save __P((char *));
  74 void quit __P((void)) __attribute__((noreturn));
  75
  76 /* option.c */
  77 int option __P((int, char **));
  78
  79 /* os.c */
  80 void lsystem __P((char *));
  81 int iread __P((int, char *, int));
  82 void intread __P((void));
  83 char *glob __P((char *));
  84 char *bad_file __P((char *, char *, u_int));
  85 void strtcpy __P((char *, char *, int));
  86
  87 /* output.c */
  88 void put_line __P((void));
  89 void flush __P((void));
  90 void purge __P((void));
  91 int  putchr __P((int));
  92 void putstr __P((char *));
  93 void error __P((char *));
  94 void ierror __P((char *));
  95
  96 /* position.c */
  97 off_t position __P((int));
  98 void add_forw_pos __P((off_t));
  99 void add_back_pos __P((off_t));
 100 void copytable __P((void));
 101 void pos_clear __P((void));
 102 int onscreen __P((off_t));
 103
 104 /* prim.c */
 105 void eof_check __P((void));
 106 void squish_check __P((void));
 107 void forw __P((int, off_t, int));
 108 void back __P((int, off_t, int));
 109 void forward __P((int, int));
 110 void backward __P((int, int));
 111 void prepaint __P((off_t));
 112 void repaint __P((void));
 113 void jump_forw __P((void));
 114 void jump_back __P((int));
 115 void jump_percent __P((int));
 116 void jump_loc __P((off_t));
 117 void init_mark __P((void));
 118 void setmark __P((int));
 119 void lastmark __P((void));
 120 void gomark __P((int));
 121 int get_back_scroll __P((void));
 122 int search __P((int, char *, int, int));
 123
 124 /* screen.c */
 125 void raw_mode __P((int));
 126 void get_term __P((void));
 127 void init __P((void));
 128 void deinit __P((void));
 129 void home __P((void));
 130 void add_line __P((void));
 131 void lower_left __P((void));
 132 void bell __P((void));
 133 void clear __P((void));
 134 void clear_eol __P((void));
 135 void so_enter __P((void));
 136 void so_exit __P((void));
 137 void ul_enter __P((void));
 138 void ul_exit __P((void));
 139 void bo_enter __P((void));
 140 void bo_exit __P((void));
 141 void backspace __P((void));
 142 void putbs __P((void));
 143
 144 /* signal.c */
 145 void winch __P((int));
 146 void init_signals __P((int));
 147 void psignals __P((void));
 148
 149 /* ttyin.c */
 150 void open_getchr __P((void));
 151 int getchr __P((void));
 152
 153 extern char **av;
 154 extern char *current_file;
 155 extern char *current_name;
 156 extern char *firstsearch;
 157 extern char *line;
 158 extern char *next_name;
 159 extern int ac;
 160 extern int any_display;
 161 extern int auto_wrap;
 162 extern int back_scroll;
 163 extern int be_width;
 164 extern int bo_width;
 165 extern int bs_mode;
 166 extern int caseless;
 167 extern int cbufs;
 168 extern int cmdstack;
 169 extern int curr_ac;
 170 extern int erase_char;
 171 extern int errmsgs;
 172 extern int file;
 173 extern int hit_eof;
 174 extern int ignaw;
 175 extern int ispipe;
 176 extern int kill_char;
 177 extern int linenums;
 178 extern int lnloop;
 179 extern int quit_at_eof;
 180 extern int quitting;
 181 extern int reading;
 182 extern int retain_below;
 183 extern int sc_height;
 184 extern int sc_width;
 185 extern int sc_window;
 186 extern int screen_trashed;
 187 extern int scroll_lines;
 188 extern int se_width;
 189 extern int short_file;
 190 extern int sigs;
 191 extern int so_width;
 192 extern int squeeze;
 193 extern int tabstop;
 194 extern int top_scroll;
 195 extern int ue_width;
 196 extern int ul_width;
 197 extern int werase_char;