sled

чување 8b00c7c489861fc29aadb0c754220fc9866f35e1
родитељ 9c8786f11b3d0fdcb6bffa39cf460d01136baa47
Аутор: Страхиња Радић <contact@strahinja.org>
Датум:   Mon, 17 Jun 2024 21:01:16 +0200

Make functions local to compilation unit static

Diffstat:
M
sled.c
 | 
164
++++++++++++++++++++++++++++++++++++++++----------------------------------------
M
sled.h
 | 
169
++++++++++++++++++++++++++++++++++++++++---------------------------------------

измењених датотека: 2, додавања: 167(+), брисања: 166(-)
diff --git a/sled.c b/sled.c
@@ -108,7 +108,7 @@ clear_selection(struct DrawState* state)
 
 #define MAXCOPYBUF 8192
 
-int
+static int
 cp(const char* from, const char* to)
 {
 	int fromfd, tofd;
@@ -167,7 +167,7 @@ cp_cleanup:
 	return result;
 }
 
-int
+static int
 create_file(struct DrawState* state)
 {
 	struct BufferLine* newchunk = NULL;
@@ -200,7 +200,7 @@ create_file(struct DrawState* state)
 	return LOAD_ERR_NONE;
 }
 
-int
+static int
 cut_to_paste(struct DrawState* state)
 {
 	simple_yank(state);
@@ -210,7 +210,7 @@ cut_to_paste(struct DrawState* state)
 	return 0;
 }
 
-char*
+static char*
 dirname(char* dir, char* path, const size_t dir_size)
 {
 	char* p = NULL;
@@ -241,7 +241,7 @@ dirname(char* dir, char* path, const size_t dir_size)
 	return dir;
 }
 
-int
+static int
 do_search_replace(struct DrawState* state)
 {
 	uint32_t* buf  = NULL;
@@ -326,7 +326,7 @@ do_search_replace_error:
 	return 1;
 }
 
-int
+static int
 enter_command_mode(struct DrawState* state)
 {
 	if (!state)
@@ -335,7 +335,7 @@ enter_command_mode(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 enter_insert_mode(struct DrawState* state)
 {
 	if (!state)
@@ -344,7 +344,7 @@ enter_insert_mode(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 erase_backwards(struct DrawState* state)
 {
 	struct BufferLine* buffer_line = &state->buffer[state->coord.row];
@@ -379,7 +379,7 @@ erase_backwards(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 erase_forward(struct DrawState* state)
 {
 	struct BufferLine* buffer_line = &state->buffer[state->coord.row];
@@ -409,7 +409,7 @@ erase_forward(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 erase_line(struct DrawState* state)
 {
 	struct BufferLine* current = NULL;
@@ -436,7 +436,7 @@ erase_line(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 erase_prev_word(struct DrawState* state)
 {
 	int i			   = state->coord.col;
@@ -466,7 +466,7 @@ erase_prev_word(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 erase_selection(struct DrawState* state)
 {
 	if (SEL_NOT_EMPTY(state))
@@ -519,7 +519,7 @@ erase_selection(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 erase_to_end(struct DrawState* state)
 {
 	struct BufferLine* buffer_line = &state->buffer[state->coord.row];
@@ -539,7 +539,7 @@ erase_to_end(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 erase_to_start(struct DrawState* state)
 {
 	size_t i		       = state->coord.col;
@@ -566,7 +566,7 @@ erase_to_start(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 exit_program(struct DrawState* state)
 {
 	char* temp = NULL;
@@ -633,7 +633,7 @@ get_selection(int* ssr, int* ssc, int* ser, int* sec,
 	}
 }
 
-int
+static int
 go_to_line_callback(struct DrawState* state)
 {
 	size_t lineno  = 0;
@@ -677,7 +677,7 @@ go_to_line_callback(struct DrawState* state)
 	return 0;
 }
 
-void
+static void
 handle_key_event(struct tb_event* ev, struct DrawState* state)
 {
 	const struct Key* current = NULL;
@@ -799,7 +799,7 @@ handle_key_event(struct tb_event* ev, struct DrawState* state)
 	MEMCCPY(state->error, errors[ERR_UNKNOWN_KEY], LINE_DEFAULT, temp);
 }
 
-int
+static int
 input_cancel(struct DrawState* state)
 {
 	if (*state->error)
@@ -817,7 +817,7 @@ input_cancel(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 input_enter(struct DrawState* state)
 {
 	int hide_dialog = 1;
@@ -841,7 +841,7 @@ input_enter(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 input_erase_backwards(struct DrawState* state)
 {
 	if (state->input_column > 0)
@@ -860,7 +860,7 @@ input_erase_backwards(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 input_erase_forward(struct DrawState* state)
 {
 	if (state->input)
@@ -878,7 +878,7 @@ input_erase_forward(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 input_erase_to_end(struct DrawState* state)
 {
 	uint32_t* temp			  = NULL;
@@ -890,7 +890,7 @@ input_erase_to_end(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 input_erase_to_start(struct DrawState* state)
 {
 	size_t i   = state->input_column;
@@ -908,7 +908,7 @@ input_erase_to_start(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 input_insert_char(struct DrawState* state, uint32_t ch)
 {
 	size_t len = u32_strlen(state->input);
@@ -931,26 +931,26 @@ input_insert_char(struct DrawState* state, uint32_t ch)
 	return 0;
 }
 
-int
+static int
 input_insert_space(struct DrawState* state)
 {
 	return input_insert_char(state, ' ');
 }
 
-int
+static int
 input_insert_tab(struct DrawState* state)
 {
 	return input_insert_char(state, '\t');
 }
 
-int
+static int
 input_move_end(struct DrawState* state)
 {
 	input_position_to(state, u32_strlen(state->input));
 	return 0;
 }
 
-int
+static int
 input_move_left(struct DrawState* state)
 {
 	if (state->input_column == 0)
@@ -959,7 +959,7 @@ input_move_left(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 input_move_next_word(struct DrawState* state)
 {
 	int i		= state->input_column;
@@ -974,7 +974,7 @@ input_move_next_word(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 input_move_prev_word(struct DrawState* state)
 {
 	int i		= state->input_column;
@@ -991,21 +991,21 @@ input_move_prev_word(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 input_move_right(struct DrawState* state)
 {
 	input_position_to(state, state->input_column + 1);
 	return 0;
 }
 
-int
+static int
 input_move_start(struct DrawState* state)
 {
 	input_position_to(state, 0);
 	return 0;
 }
 
-void
+static void
 input_position_to(struct DrawState* state, const int column)
 {
 	size_t len	    = u32_strlen(state->input);
@@ -1023,7 +1023,7 @@ input_position_to(struct DrawState* state, const int column)
 			- (state->input_dialog_width - 4);
 }
 
-int
+static int
 insert_char(struct DrawState* state, uint32_t ch)
 {
 	struct BufferLine* buffer_line = NULL;
@@ -1097,7 +1097,7 @@ insert_char_error:
 	return 1;
 }
 
-int
+static int
 insert_line(struct DrawState* state)
 {
 	struct BufferLine* buffer_line = NULL;
@@ -1138,19 +1138,19 @@ insert_line(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 insert_space(struct DrawState* state)
 {
 	return insert_char(state, ' ');
 }
 
-int
+static int
 insert_tab(struct DrawState* state)
 {
 	return insert_char(state, '\t');
 }
 
-int
+static int
 join_lines(struct DrawState* state)
 {
 	/* Selection start row/col */
@@ -1217,7 +1217,7 @@ join_lines_error:
 	return -1;
 }
 
-int
+static int
 load_file(struct DrawState* state)
 {
 	struct BufferLine* newchunk = NULL;
@@ -1325,7 +1325,7 @@ load_file_alloc_error:
 	return LOAD_ERR_CANT_ALLOC;
 }
 
-int
+static int
 move_bottom(struct DrawState* state)
 {
 	position_to(state, state->rows_count > 1 ? state->rows_count - 1 : 0,
@@ -1333,14 +1333,14 @@ move_bottom(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 move_down(struct DrawState* state)
 {
 	position_to(state, state->coord.row + 1, state->coord.col);
 	return 0;
 }
 
-int
+static int
 move_end(struct DrawState* state)
 {
 	position_to(state, state->coord.row,
@@ -1348,14 +1348,14 @@ move_end(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 move_left(struct DrawState* state)
 {
 	position_to(state, state->coord.row, state->coord.col - 1);
 	return 0;
 }
 
-int
+static int
 move_next_word(struct DrawState* state)
 {
 	int i		= state->coord.col;
@@ -1370,7 +1370,7 @@ move_next_word(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 move_page_down(struct DrawState* state)
 {
 	if ((size_t)(state->coord.row + state->maxy) < state->rows_count + 2)
@@ -1381,7 +1381,7 @@ move_page_down(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 move_page_up(struct DrawState* state)
 {
 	if (state->coord.row > state->maxy - 2)
@@ -1392,7 +1392,7 @@ move_page_up(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 move_prev_word(struct DrawState* state)
 {
 	int i		= state->coord.col;
@@ -1409,14 +1409,14 @@ move_prev_word(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 move_right(struct DrawState* state)
 {
 	position_to(state, state->coord.row, state->coord.col + 1);
 	return 0;
 }
 
-int
+static int
 move_screen_bottom(struct DrawState* state)
 {
 	if (state->rows_count + 2 < (size_t)state->maxy)
@@ -1432,7 +1432,7 @@ move_screen_bottom(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 move_screen_middle(struct DrawState* state)
 {
 	if (state->rows_count + 2 < (size_t)state->maxy)
@@ -1447,28 +1447,28 @@ move_screen_middle(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 move_screen_top(struct DrawState* state)
 {
 	position_to(state, state->first_shown.row, state->coord.col);
 	return 0;
 }
 
-int
+static int
 move_start(struct DrawState* state)
 {
 	position_to(state, state->coord.row, 0);
 	return 0;
 }
 
-int
+static int
 move_top(struct DrawState* state)
 {
 	position_to(state, 0, state->coord.col);
 	return 0;
 }
 
-int
+static int
 move_up(struct DrawState* state)
 {
 	position_to(state, state->coord.row > 1 ? state->coord.row - 1 : 0,
@@ -1476,7 +1476,7 @@ move_up(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 next_match(struct DrawState* state)
 {
 	struct BufferLine* current = NULL;
@@ -1509,7 +1509,7 @@ next_match(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 paste_from_paste(struct DrawState* state)
 {
 	uint32_t* newtext	  = NULL;
@@ -1659,7 +1659,7 @@ paste_from_paste_cleanup:
  * state->saved_column - display coordinate
  * row, column - buffer coordinates (not display)
  */
-void
+static void
 position_to(struct DrawState* state, const int row, const int column)
 {
 	size_t dlen;
@@ -1739,7 +1739,7 @@ position_to(struct DrawState* state, const int row, const int column)
 		assign_coord(&state->sel_end, state->coord);
 }
 
-int
+static int
 position_to_selection_start(struct DrawState* state)
 {
 	if (SEL_NOT_EMPTY(state))
@@ -1757,7 +1757,7 @@ position_to_selection_start(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 prev_match(struct DrawState* state)
 {
 	struct BufferLine* current = NULL;
@@ -1809,7 +1809,7 @@ prev_match(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 print_error(const int code, const char* msg, ...)
 {
 	char buf[LINE_DEFAULT];
@@ -1821,7 +1821,7 @@ print_error(const int code, const char* msg, ...)
 	return code;
 }
 
-int
+static int
 quit_callback(struct DrawState* state, struct tb_event* ev)
 {
 	if (!state)
@@ -1835,7 +1835,7 @@ quit_callback(struct DrawState* state, struct tb_event* ev)
 	return 0;
 }
 
-int
+static int
 reread_callback(struct DrawState* state, struct tb_event* ev)
 {
 	if (!state)
@@ -1848,7 +1848,7 @@ reread_callback(struct DrawState* state, struct tb_event* ev)
 	return 0;
 }
 
-int
+static int
 reread_file(struct DrawState* state)
 {
 	int result;
@@ -1875,7 +1875,7 @@ reread_file(struct DrawState* state)
 	return result;
 }
 
-int
+static int
 reread_or_callback(struct DrawState* state)
 {
 	char* temp = NULL;
@@ -1893,7 +1893,7 @@ reread_or_callback(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 save_file(struct DrawState* state)
 {
 	FILE* output   = NULL;
@@ -2034,7 +2034,7 @@ save_file_cleanup:
 	return result;
 }
 
-int
+static int
 search_dialog_callback(struct DrawState* state)
 {
 	next_match(state);
@@ -2043,7 +2043,7 @@ search_dialog_callback(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 search_replace_replace_dialog_callback(struct DrawState* state)
 {
 	do_search_replace(state);
@@ -2056,7 +2056,7 @@ search_replace_replace_dialog_callback(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 search_replace_search_dialog_callback(struct DrawState* state)
 {
 	/*next_match(state);*/
@@ -2067,7 +2067,7 @@ search_replace_search_dialog_callback(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 search_update_callback(struct DrawState* state)
 {
 	uint32_t* temp = NULL;
@@ -2075,7 +2075,7 @@ search_update_callback(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 show_go_to_line(struct DrawState* state)
 {
 	char* temp = NULL;
@@ -2099,7 +2099,7 @@ show_go_to_line(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 show_help(struct DrawState* state)
 {
 	SET(state->mode, M_HELP);
@@ -2107,7 +2107,7 @@ show_help(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 show_replace(struct DrawState* state)
 {
 	char* temp = NULL;
@@ -2133,7 +2133,7 @@ show_replace(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 show_search(struct DrawState* state)
 {
 	char* temp = NULL;
@@ -2170,7 +2170,7 @@ show_search(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 show_search_replace(struct DrawState* state)
 {
 	char* temp = NULL;
@@ -2208,7 +2208,7 @@ show_search_replace(struct DrawState* state)
 	return 0;
 }
 
-void
+static void
 simple_insert_line(struct DrawState* state)
 {
 	struct BufferLine* newchunk = NULL;
@@ -2263,7 +2263,7 @@ simple_insert_line_error:
 	return;
 }
 
-void
+static void
 simple_join_lines(struct DrawState* state)
 {
 	size_t first_line = state->coord.row;
@@ -2304,7 +2304,7 @@ simple_join_lines_error:
 	return;
 }
 
-void
+static void
 simple_yank(struct DrawState* state)
 {
 	/* Selection start row/col */
@@ -2395,7 +2395,7 @@ simple_yank_alloc_error:
 	return;
 }
 
-int
+static int
 suspend_program(struct DrawState* state)
 {
 	tb_set_clear_attrs(TB_WHITE, TB_DEFAULT);
@@ -2422,7 +2422,7 @@ suspend_program(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 toggle_overwrite(struct DrawState* state)
 {
 	TOGGLE(state->mode, M_OVERWRITE);
@@ -2430,7 +2430,7 @@ toggle_overwrite(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 toggle_selection(struct DrawState* state)
 {
 	TOGGLE(state->mode, M_SELECTION);
@@ -2440,7 +2440,7 @@ toggle_selection(struct DrawState* state)
 	return 0;
 }
 
-int
+static int
 write_file(struct DrawState* state)
 {
 	int result;
@@ -2482,7 +2482,7 @@ write_file(struct DrawState* state)
 	return result;
 }
 
-int
+static int
 yank_to_paste(struct DrawState* state)
 {
 	simple_yank(state);
diff --git a/sled.h b/sled.h
@@ -2,89 +2,90 @@
  * any later version. Copyright (C) 2022-2024  Страхиња Радић.
  * See the file LICENSE for exact copyright and license details. */
 
-int cancel_close(struct DrawState* state);
-int clear_selection(struct DrawState* state);
-int cp(const char* from, const char* to);
-int create_file(struct DrawState* dstate);
-int cut_to_paste(struct DrawState* state);
-char* dirname(char* dir, char* path, const size_t path_size);
-int do_search_replace(struct DrawState* state);
-int enter_command_mode(struct DrawState* state);
-int enter_insert_mode(struct DrawState* state);
-int erase_backwards(struct DrawState* state);
-int erase_forward(struct DrawState* state);
-int erase_line(struct DrawState* state);
-int erase_prev_word(struct DrawState* state);
-int erase_selection(struct DrawState* state);
-int erase_to_end(struct DrawState* state);
-int erase_to_start(struct DrawState* state);
-int exit_program(struct DrawState* state);
+static int cancel_close(struct DrawState* state);
+static int clear_selection(struct DrawState* state);
+static int cp(const char* from, const char* to);
+static int create_file(struct DrawState* dstate);
+static int cut_to_paste(struct DrawState* state);
+static char* dirname(char* dir, char* path, const size_t path_size);
+static int do_search_replace(struct DrawState* state);
+static int enter_command_mode(struct DrawState* state);
+static int enter_insert_mode(struct DrawState* state);
+static int erase_backwards(struct DrawState* state);
+static int erase_forward(struct DrawState* state);
+static int erase_line(struct DrawState* state);
+static int erase_prev_word(struct DrawState* state);
+static int erase_selection(struct DrawState* state);
+static int erase_to_end(struct DrawState* state);
+static int erase_to_start(struct DrawState* state);
+static int exit_program(struct DrawState* state);
 void get_selection(int* ssr, int* ssc, int* ser, int* sec,
 	const struct DrawState* state);
-int go_to_line_callback(struct DrawState* state);
-void handle_key_event(struct tb_event* ev, struct DrawState* state);
-int input_cancel(struct DrawState* state);
-int input_enter(struct DrawState* state);
-int input_erase_backwards(struct DrawState* state);
-int input_erase_forward(struct DrawState* state);
-int input_erase_to_end(struct DrawState* state);
-int input_erase_to_start(struct DrawState* state);
-int input_insert_char(struct DrawState* state, uint32_t ch);
-int input_insert_space(struct DrawState* state);
-int input_insert_tab(struct DrawState* state);
-int input_move_end(struct DrawState* state);
-int input_move_left(struct DrawState* state);
-int input_move_next_word(struct DrawState* state);
-int input_move_prev_word(struct DrawState* state);
-int input_move_right(struct DrawState* state);
-int input_move_start(struct DrawState* state);
-void input_position_to(struct DrawState* state, const int column);
-int insert_char(struct DrawState* state, uint32_t ch);
-int insert_line(struct DrawState* state);
-int insert_space(struct DrawState* state);
-int insert_tab(struct DrawState* state);
-int join_lines(struct DrawState* state);
-int load_file(struct DrawState* dstate);
-int move_bottom(struct DrawState* state);
-int move_down(struct DrawState* state);
-int move_end(struct DrawState* state);
-int move_left(struct DrawState* state);
-int move_next_word(struct DrawState* state);
-int move_page_down(struct DrawState* state);
-int move_page_up(struct DrawState* state);
-int move_prev_word(struct DrawState* state);
-int move_right(struct DrawState* state);
-int move_screen_bottom(struct DrawState* state);
-int move_screen_middle(struct DrawState* state);
-int move_screen_top(struct DrawState* state);
-int move_start(struct DrawState* state);
-int move_top(struct DrawState* state);
-int move_up(struct DrawState* state);
-int next_match(struct DrawState* state);
-int paste_from_paste(struct DrawState* state);
-void position_to(struct DrawState* state, const int row, const int column);
-int position_to_selection_start(struct DrawState* state);
-int prev_match(struct DrawState* state);
-int print_error(const int code, const char* msg, ...);
-int quit_callback(struct DrawState* state, struct tb_event* ev);
-int reread_callback(struct DrawState* state, struct tb_event* ev);
-int reread_file(struct DrawState* state);
-int reread_or_callback(struct DrawState* state);
-int save_file(struct DrawState* state);
-int search_dialog_callback(struct DrawState* state);
-int search_replace_replace_dialog_callback(struct DrawState* state);
-int search_replace_search_dialog_callback(struct DrawState* state);
-int search_update_callback(struct DrawState* state);
-int show_go_to_line(struct DrawState* state);
-int show_help(struct DrawState* state);
-int show_replace(struct DrawState* state);
-int show_search(struct DrawState* state);
-int show_search_replace(struct DrawState* state);
-void simple_insert_line(struct DrawState* state);
-void simple_join_lines(struct DrawState* state);
-void simple_yank(struct DrawState* state);
-int suspend_program(struct DrawState* state);
-int toggle_overwrite(struct DrawState* state);
-int toggle_selection(struct DrawState* state);
-int write_file(struct DrawState* state);
-int yank_to_paste(struct DrawState* state);
+static int go_to_line_callback(struct DrawState* state);
+static void handle_key_event(struct tb_event* ev, struct DrawState* state);
+static int input_cancel(struct DrawState* state);
+static int input_enter(struct DrawState* state);
+static int input_erase_backwards(struct DrawState* state);
+static int input_erase_forward(struct DrawState* state);
+static int input_erase_to_end(struct DrawState* state);
+static int input_erase_to_start(struct DrawState* state);
+static int input_insert_char(struct DrawState* state, uint32_t ch);
+static int input_insert_space(struct DrawState* state);
+static int input_insert_tab(struct DrawState* state);
+static int input_move_end(struct DrawState* state);
+static int input_move_left(struct DrawState* state);
+static int input_move_next_word(struct DrawState* state);
+static int input_move_prev_word(struct DrawState* state);
+static int input_move_right(struct DrawState* state);
+static int input_move_start(struct DrawState* state);
+static void input_position_to(struct DrawState* state, const int column);
+static int insert_char(struct DrawState* state, uint32_t ch);
+static int insert_line(struct DrawState* state);
+static int insert_space(struct DrawState* state);
+static int insert_tab(struct DrawState* state);
+static int join_lines(struct DrawState* state);
+static int load_file(struct DrawState* dstate);
+static int move_bottom(struct DrawState* state);
+static int move_down(struct DrawState* state);
+static int move_end(struct DrawState* state);
+static int move_left(struct DrawState* state);
+static int move_next_word(struct DrawState* state);
+static int move_page_down(struct DrawState* state);
+static int move_page_up(struct DrawState* state);
+static int move_prev_word(struct DrawState* state);
+static int move_right(struct DrawState* state);
+static int move_screen_bottom(struct DrawState* state);
+static int move_screen_middle(struct DrawState* state);
+static int move_screen_top(struct DrawState* state);
+static int move_start(struct DrawState* state);
+static int move_top(struct DrawState* state);
+static int move_up(struct DrawState* state);
+static int next_match(struct DrawState* state);
+static int paste_from_paste(struct DrawState* state);
+static void position_to(struct DrawState* state, const int row,
+	const int column);
+static int position_to_selection_start(struct DrawState* state);
+static int prev_match(struct DrawState* state);
+static int print_error(const int code, const char* msg, ...);
+static int quit_callback(struct DrawState* state, struct tb_event* ev);
+static int reread_callback(struct DrawState* state, struct tb_event* ev);
+static int reread_file(struct DrawState* state);
+static int reread_or_callback(struct DrawState* state);
+static int save_file(struct DrawState* state);
+static int search_dialog_callback(struct DrawState* state);
+static int search_replace_replace_dialog_callback(struct DrawState* state);
+static int search_replace_search_dialog_callback(struct DrawState* state);
+static int search_update_callback(struct DrawState* state);
+static int show_go_to_line(struct DrawState* state);
+static int show_help(struct DrawState* state);
+static int show_replace(struct DrawState* state);
+static int show_search(struct DrawState* state);
+static int show_search_replace(struct DrawState* state);
+static void simple_insert_line(struct DrawState* state);
+static void simple_join_lines(struct DrawState* state);
+static void simple_yank(struct DrawState* state);
+static int suspend_program(struct DrawState* state);
+static int toggle_overwrite(struct DrawState* state);
+static int toggle_selection(struct DrawState* state);
+static int write_file(struct DrawState* state);
+static int yank_to_paste(struct DrawState* state);