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/* classes: h_files */
#ifndef SCM_STRINGS_H
#define SCM_STRINGS_H
/* Copyright (C) 1995,1996,1997,1998,2000,2001 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
#include "libguile/__scm.h"
#define SCM_STRINGP(x) (!SCM_IMP (x) && (SCM_TYP7 (x) == scm_tc7_string))
#define SCM_STRING_UCHARS(x) ((unsigned char *) (SCM_CELL_WORD_1 (x)))
#define SCM_STRING_CHARS(x) ((char *) (SCM_CELL_WORD_1 (x)))
#define SCM_SET_STRING_CHARS(s, c) (SCM_SET_CELL_WORD_1 ((s), (c)))
#define SCM_STRING_MAX_LENGTH ((1UL << 24) - 1UL)
#define SCM_STRING_LENGTH(x) ((size_t) (SCM_CELL_WORD_0 (x) >> 8))
#define SCM_MAKE_STRING_TAG(l) ((((scm_t_bits) (l)) << 8) + scm_tc7_string)
#define SCM_SET_STRING_LENGTH(s, l) (SCM_SET_CELL_WORD_0 ((s), SCM_MAKE_STRING_TAG (l)))
SCM_API SCM scm_string_p (SCM x);
SCM_API SCM scm_string (SCM chrs);
SCM_API SCM scm_makfromstrs (int argc, char **argv);
SCM_API SCM scm_take_str (char *s, size_t len);
SCM_API SCM scm_take0str (char *s);
SCM_API SCM scm_mem2string (const char *src, size_t len);
SCM_API SCM scm_str2string (const char *src);
SCM_API SCM scm_makfrom0str (const char *src);
SCM_API SCM scm_makfrom0str_opt (const char *src);
SCM_API SCM scm_allocate_string (size_t len);
SCM_API SCM scm_make_string (SCM k, SCM chr);
SCM_API SCM scm_string_length (SCM str);
SCM_API SCM scm_string_ref (SCM str, SCM k);
SCM_API SCM scm_string_set_x (SCM str, SCM k, SCM chr);
SCM_API SCM scm_substring (SCM str, SCM start, SCM end);
SCM_API SCM scm_string_append (SCM args);
SCM_API void scm_init_strings (void);
SCM_API char *scm_c_string2str (SCM obj, char *str, size_t *lenp);
SCM_API char *scm_c_substring2str (SCM obj, char *str, size_t start, size_t len);
#if (SCM_ENABLE_DEPRECATED == 1)
#define SCM_STRING_COERCE_0TERMINATION_X(x) (x)
#endif
#endif /* SCM_STRINGS_H */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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