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edlib.h
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/* edlib.h -- block manipulation routines for edlin
AUTHOR: Gregory Pietsch <[email protected]>
DESCRIPTION:
This file contains block manipulation routines for edlin, an
edlin-style line editor.
COPYRIGHT NOTICE AND DISCLAIMER:
Copyright (C) 2003 Gregory Pietsch
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 2
of the License, 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; if not, write to the Free Software Foundation, Inc.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef EDLIB_H
#define EDLIB_H
/* includes */
#if defined(__STDC__) || defined(HAVE_STDDEF_H)
#include <stddef.h>
#elif defined(HAVE_SYS_TYPES_H)
#include <sys/types.h>
#endif
/* typedefs */
/* static variables */
/* functions */
/* commands */
/* initialize the buffer */
void create_buffer (void);
/* destroy the buffer */
void destroy_buffer (void);
/* transfer_file - merges the contents of a file on disk with a file in memory
*/
void transfer_file (unsigned long before_line, char *filename);
/* write X number of lines to a file */
void write_file (unsigned long lines, char *filename);
/* copy a block of lines elsewhere in the buffer */
void copy_block (unsigned long line1, unsigned long line2,
unsigned long line3, size_t count);
/* delete a block from line1 to line2 */
void delete_block (unsigned long line1, unsigned long line2);
/* move the block from line1 to line2 to immediately before line3 */
void move_block (unsigned long line1, unsigned long line2,
unsigned long line3);
/* read a line from stdin */
char *read_line (char *prompt);
/* display a block of text */
void display_block (unsigned long first_line, unsigned long last_line,
unsigned long current_line, size_t page_size);
/* modify_line - modify a line in the buffer */
void modify_line (unsigned long line);
/* search_buffer - search a buffer for a string */
unsigned long search_buffer (unsigned long current_line,
unsigned long line1, unsigned long line2,
int verify, char *s);
/* replace_buffer - search a buffer for a string, then replace */
unsigned long replace_buffer (unsigned long current_line,
unsigned long line1, unsigned long line2,
int verify, char *s);
/* insert_block - go into insert mode */
unsigned long insert_block (unsigned long line);
/* get the last line in the buffer */
unsigned long get_last_line (void);
#endif
/* END OF FILE */