#ifndef SCM_SRFI_13_H
#define SCM_SRFI_13_H

/* srfi-13.c --- SRFI-13 procedures for Guile
   Copyright 2001,2004,2006,2008,2010,2018
     Free Software Foundation, Inc.

   This file is part of Guile.

   Guile is free software: you can redistribute it and/or modify it
   under the terms of the GNU Lesser General Public License as published
   by the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   Guile 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 Lesser General Public
   License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with Guile.  If not, see
   <https://www.gnu.org/licenses/>.  */


#include "libguile/scm.h"

SCM_API SCM scm_string_null_p (SCM s);
SCM_API SCM scm_string_any (SCM pred, SCM s, SCM start, SCM end);
SCM_API SCM scm_string_every (SCM pred, SCM s, SCM start, SCM end);
SCM_API SCM scm_string_tabulate (SCM proc, SCM len);
SCM_API SCM scm_string_to_list (SCM str);
SCM_API SCM scm_substring_to_list (SCM str, SCM start, SCM end);
SCM_API SCM scm_reverse_list_to_string (SCM chrs);
SCM_API SCM scm_string_join (SCM ls, SCM delimiter, SCM grammar);
SCM_API SCM scm_string_copy (SCM str);
SCM_API SCM scm_string_copy_x (SCM target, SCM tstart, SCM s, SCM start, SCM end);
SCM_API SCM scm_substring_move_x (SCM str1, SCM start1, SCM end1, 
				  SCM str2, SCM start2);
SCM_API SCM scm_string_take (SCM s, SCM n);
SCM_API SCM scm_string_drop (SCM s, SCM n);
SCM_API SCM scm_string_take_right (SCM s, SCM n);
SCM_API SCM scm_string_drop_right (SCM s, SCM n);
SCM_API SCM scm_string_pad (SCM s, SCM len, SCM chr, SCM start, SCM end);
SCM_API SCM scm_string_pad_right (SCM s, SCM len, SCM chr, SCM start, SCM end);
SCM_API SCM scm_string_trim (SCM s, SCM char_pred, SCM start, SCM end);
SCM_API SCM scm_string_trim_right (SCM s, SCM char_pred, SCM start, SCM end);
SCM_API SCM scm_string_trim_both (SCM s, SCM char_pred, SCM start, SCM end);
SCM_API SCM scm_substring_fill_x (SCM str, SCM chr, SCM start, SCM end);
SCM_API SCM scm_string_fill_x (SCM str, SCM chr);
SCM_API SCM scm_string_compare (SCM s1, SCM s2, SCM proc_lt, SCM proc_eq, SCM proc_gt, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_compare_ci (SCM s1, SCM s2, SCM proc_lt, SCM proc_eq, SCM proc_gt, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_eq (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_neq (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_lt (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_gt (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_le (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_ge (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_ci_eq (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_ci_neq (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_ci_lt (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_ci_gt (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_ci_le (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_ci_ge (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_substring_hash (SCM s, SCM bound, SCM start, SCM end);
SCM_API SCM scm_substring_hash_ci (SCM s, SCM bound, SCM start, SCM end);
SCM_API SCM scm_string_prefix_length (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_prefix_length_ci (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_suffix_length (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_suffix_length_ci (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_prefix_p (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_prefix_ci_p (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_suffix_p (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_suffix_ci_p (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_index (SCM s, SCM char_pred, SCM start, SCM end);
SCM_API SCM scm_string_index_right (SCM s, SCM char_pred, SCM start, SCM end);
SCM_API SCM scm_string_rindex (SCM s, SCM char_pred, SCM start, SCM end);
SCM_API SCM scm_string_skip (SCM s, SCM char_pred, SCM start, SCM end);
SCM_API SCM scm_string_skip_right (SCM s, SCM char_pred, SCM start, SCM end);
SCM_API SCM scm_string_count (SCM s, SCM char_pred, SCM start, SCM end);
SCM_API SCM scm_string_contains (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_contains_ci (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_substring_upcase_x (SCM str, SCM start, SCM end);
SCM_API SCM scm_substring_upcase (SCM str, SCM start, SCM end);
SCM_API SCM scm_string_upcase_x (SCM str);
SCM_API SCM scm_string_upcase (SCM str);
SCM_API SCM scm_substring_downcase_x (SCM str, SCM start, SCM end);
SCM_API SCM scm_substring_downcase (SCM str, SCM start, SCM end);
SCM_API SCM scm_string_downcase_x (SCM str);
SCM_API SCM scm_string_downcase (SCM str);
SCM_API SCM scm_string_titlecase_x (SCM str, SCM start, SCM end);
SCM_API SCM scm_string_titlecase (SCM str, SCM start, SCM end);
SCM_API SCM scm_string_capitalize_x (SCM str);
SCM_API SCM scm_string_capitalize (SCM str);
SCM_API SCM scm_string_reverse (SCM str, SCM start, SCM end);
SCM_API SCM scm_string_reverse_x (SCM str, SCM start, SCM end);
SCM_API SCM scm_string_append_shared (SCM ls);
SCM_API SCM scm_string_concatenate (SCM ls);
SCM_API SCM scm_string_concatenate_shared (SCM ls);
SCM_API SCM scm_string_concatenate_reverse (SCM ls, SCM final_string, SCM end);
SCM_API SCM scm_string_concatenate_reverse_shared (SCM ls, SCM final_string, SCM end);
SCM_API SCM scm_string_map (SCM proc, SCM s, SCM start, SCM end);
SCM_API SCM scm_string_map_x (SCM proc, SCM s, SCM start, SCM end);
SCM_API SCM scm_string_fold (SCM kons, SCM knil, SCM s, SCM start, SCM end);
SCM_API SCM scm_string_fold_right (SCM kons, SCM knil, SCM s, SCM start, SCM end);
SCM_API SCM scm_string_unfold (SCM p, SCM f, SCM g, SCM seed, SCM base, SCM make_final);
SCM_API SCM scm_string_unfold_right (SCM p, SCM f, SCM g, SCM seed, SCM base, SCM make_final);
SCM_API SCM scm_string_for_each (SCM proc, SCM s, SCM start, SCM end);
SCM_API SCM scm_string_for_each_index (SCM proc, SCM s, SCM start, SCM end);
SCM_API SCM scm_xsubstring (SCM s, SCM from, SCM to, SCM start, SCM end);
SCM_API SCM scm_string_xcopy_x (SCM target, SCM tstart, SCM s, SCM sfrom, SCM sto, SCM start, SCM end);
SCM_API SCM scm_string_replace (SCM s1, SCM s2, SCM start1, SCM end1, SCM start2, SCM end2);
SCM_API SCM scm_string_tokenize (SCM s, SCM token_char, SCM start, SCM end);
SCM_API SCM scm_string_split (SCM s, SCM char_pred);
SCM_API SCM scm_string_filter (SCM char_pred, SCM s, SCM start, SCM end);
SCM_API SCM scm_string_delete (SCM char_pred, SCM s, SCM start, SCM end);

SCM_INTERNAL void scm_init_srfi_13 (void);
SCM_INTERNAL void scm_init_srfi_13_14 (void);

#endif /* SCM_SRFI_13_H */