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- /* dstring.h - Dynamic string handling include file. Requires strings.h.
- Copyright (C) 1990, 1991, 1992 Free Software Foundation, Inc.
-
- 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #ifndef NULL
- #define NULL 0
- #endif
-
- /* A dynamic string consists of record that records the size of an
- allocated string and the pointer to that string. The actual string
- is a normal zero byte terminated string that can be used with the
- usual string functions. The major difference is that the
- dynamic_string routines know how to get more space if it is needed
- by allocating new space and copying the current string. */
-
- typedef struct
- {
- int ds_length; /* Actual amount of storage allocated. */
- char *ds_string; /* String. */
- } dynamic_string;
-
-
- /* Macros that look similar to the original string functions.
- WARNING: These macros work only on pointers to dynamic string records.
- If used with a real record, an "&" must be used to get the pointer. */
- #define ds_strlen(s) strlen ((s)->ds_string)
- #define ds_strcmp(s1, s2) strcmp ((s1)->ds_string, (s2)->ds_string)
- #define ds_strncmp(s1, s2, n) strncmp ((s1)->ds_string, (s2)->ds_string, n)
- #define ds_index(s, c) index ((s)->ds_string, c)
- #define ds_rindex(s, c) rindex ((s)->ds_string, c)
-
- void ds_init ();
- void ds_resize ();
- char *ds_fgetname ();
- char *ds_fgets ();
- char *ds_fgetstr ();
-