usr/src/contrib/ed/ed.h

/*-
 * Copyright (c) 1992 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Rodney Ruddock of the University of Guelph.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)ed.h        5.4 (Berkeley) %G%
 */

#define FILENAME_LEN    PATH_MAX
#define JMP_SET         (int)0
#define INTERUPT        (int)1
#define HANGUP          (int)2
#define SIGINT_ACTION   longjmp(ctrl_position, INTERUPT)
#define SIGINT_ALACTION longjmp(ctrl_position2, INTERUPT)
#define SIGINT_ILACTION longjmp(ctrl_position3, INTERUPT)
#define SIGHUP_ACTION   longjmp(ctrl_position, HANGUP)
#define NN_MAX_START    510
#ifndef STDOUT_FILENO
#define STDOUT_FILENO 1
#endif

typedef struct A {
        struct A *above, *below;
#ifdef STDIO
        long handle;
#endif
#ifdef DBI
        recno_t handle;
#endif
#ifdef MEMORY
        char *handle;
#endif
        size_t len;
} LINE;

struct MARK {
        LINE *address;
};

struct g_list {
        struct g_list *next;
        LINE *cell;
};

struct u_layer {
        LINE *val, **cell;
        struct u_layer *below;
};

struct d_layer {
        LINE *begin, *end;
        struct d_layer *next;
};

extern int nn_max, nn_max_flag, start_default, End_default, address_flag;
extern LINE *nn_max_start, *nn_max_end, *start, *End, *current;
extern char *text, *prompt_string, help_msg[];
extern struct MARK mark_matrix[];
extern char *filename_current, *buf;
extern int zsnum;  /* z sticky number */
extern LINE *top, *bottom; /* ...of the buffer */
extern int ss, explain_flag, name_set;
extern int filename_flag, add_flag, join_flag;
extern long change_flag;
extern int pat_err, flag, g_flag, GV_flag, printsfx;

#ifdef STDIO
extern FILE *fhtmp;
extern int file_seek;
extern char *template;
#endif

#ifdef DBI
extern DB *dbhtmp;
extern char *template;
#endif

extern struct u_layer *u_stk;
extern LINE *u_current, *u_top, *u_bottom;
extern int u_set, line_length;
extern struct d_layer *d_stk;

extern int sigint_flag, sighup_flag, sigspecial, sigspecial2, sigspecial3;
extern jmp_buf ctrl_position, ctrl_position2, ctrl_position3;

#define RE_SEC 10
extern regex_t RE_comp;
extern regmatch_t RE_match[];
extern int RE_sol, RE_flag;
extern char *RE_patt;